Product Development Considerations that Can Make or Break New Product Ideas Before Launch


As usual, let’s first clear something up. This time, we’re not talking about which CAD software to use, hardware simulation on a computer, manufacturability analysis, and all those big words everybody says to sound smart. Instead, the discussion here leans toward the simpler stuff, the basic, the layperson’s ideas of good product development preparation. Let’s call them the “nontechnical” elements if you like, and by the end of the article, you’ll learn that they’re every bit as meaningful to determine success as their technical counterparts. In any case, Cad Crowd is always at your service, ready to connect you with the world’s most qualified NPD professionals through either a managed collaboration or a temporary hiring method.


🚀 Table of contents


Nontechnical elements

The business of NPD (New Product Development) has never been a simple exercise. Even when you’re restricting the discussion to the less technical stuff, there’s still quite a lot to cover. Things like establishing a strong retail presence, ensuring a good unboxing experience, and even creating “just the right” new product smell are all important to improve your chances of success. 

Retail presence

Assuming your product is supposed to sit on a retail shelf among the myriad of competitors craving for buyers’ attention, packaging is the most important salesperson you have at your disposal. This is pretty much the case with small companies, which often have to work through brokers (for a fee) to get the products displayed by retailers like Walmart, Costco, Target, Dollar General, The Home Depot, etc. Such retailers don’t work for you, and their employees probably can’t explain what your product does and its best features to buyers. Packaging is truly about the only thing you can rely on.

Aesthetics are important, but they’re much more than just graphics and colors. What you need is a physical hierarchy where your product’s greatest highlights are visible from 10 feet away. Good packaging also indicates that you take proper care not only of the presentation but also of preservation. Have you ever seen loose keychains without any packaging in a hobby shop? A lot of them are cheaper than the blister-packed ones, and often dirtier too.

Most of the time, you really have to bump into them to actually notice that they’re there. People expect to get a clean, new product, so packaging design is really a no-brainer decision. In addition to keeping the product clean from random people’s smudgy fingers, packaging does improve retail presence to a reasonable degree.

RELATED: 3D Rendering for Product Packaging Design: The Full Guide for Consumer Product Companies

But it doesn’t mean you should go overboard either. At least in this case, a bigger box doesn’t always translate to greater visibility. Some major retailers have standard shelf height, so even if your product is barely half an inch taller than that, they’re more likely to shove it to the bottom shelf, where no one bothers to take a closer look. Also, think about stackability, because packaging with a weird shape can be difficult to handle. A unique shape does stand out from the crowd, but if it easily tips over, the bottom shelf is where it goes. 

Yes, unboxing is a thing

In the old days, when people bought a new product, they quickly took it out of the box and couldn’t care less about the cardboard, the styrofoam, and the plastic wrapper. Unboxing wasn’t a thing back then, but unfortunately, it really is today. Judging by how popular this is on social media, it seems you have no choice but to cater to the notion that unboxing is a precious moment. Because of that, the idea of effective packaging goes beyond providing a protective cover that’s also quick and easy to disassemble.

Packaging-design-impact-on-product-launch-success

Unboxing a product nowadays seen as something worth sharing in the virtual world full of fancy nicknames and avatars, like it’s something you can and should brag about on YouTube and Facebook. And this adds another headache for product development teams, as the packaging itself must be designed to deliver a rewarding unboxing experience. If your packaging is so secure that a buyer has to tear it apart to access the product inside, it’s bad practice. On the other hand, poorly made packaging that’s easy to open can put the product at unnecessary risk of damage.

There needs to be a good balance between secure packaging and an enjoyable unboxing experience. Using multiple layers might be an effective way to ensure that. The outer layer, presumably a cardboard box, should be easy to open. Cardboard or any other similar material resists fingerprints and smudges quite well, and they’re not that difficult to produce. Blister packs, typically used for an electronics and hardware products, look great but don’t actually conceal the products, so there’s not much of an unboxing experience. The inner layer, like a pouch or another transparent box, enhances the premium feel and makes unboxing more enjoyable. Some people may call it tedious, but many others see it as a big part of the overall product experience.

RELATED: How 3D Packaging Design From Cad and Freelance Services Can Help Your Company Stand Out

Bottom line is, product packaging shouldn’t be an afterthought. It carries a heavy burden of convincing customers that the product inside is worth their money. You get only one quick chance to create a good first impression, so make sure that every second counts. If there’s something that can make or break product ideas even before launch, it’s the packaging design.

Hefty almost means quality

When it comes to physical products or objects of any sort, we suffer from a brain condition that associates an object’s weight with its perceived quality. Each time you pick up a knife, you want it to be hefty enough that you wouldn’t want to slice an apple with it; even a thin laptop or smartphone feels nicer if it’s properly weighty; the most trustworthy hammer in the toolbox is the heaviest one. We’re not saying that lightweight products are all bad, but you can’t help but subconsciously flag them as cheap or somewhat disposable. Meanwhile, a hefty product conveys the impression that it’s made of dense, high-grade materials and suggests durability.

This is not in any way a suggestion to make a product heavy just for the sake of it, but more of a notion about weight distribution. Unless you’re talking about shoes or eyeglasses, there’s no denying that a lightweight product seems fragile and brittle. It may even trigger a sense of unease because the product looks as if it will break after a single drop. You’re not comfortable using it, and there’s little confidence that the product can withstand even the slightest bump. And unsurprisingly enough, a product that’s too heavy is just as cumbersome. If you can’t easily handle a butcher knife, for example, every slice becomes a real struggle. What you want is the “Goldilocks” weight.

The sweet spot is where the product is neither too heavy nor too light. It still needs to be hefty, but not unwieldy. While this kind of “hand feel” does stem from the complexities of material choices and design ergonomics, you can’t really describe it as a technical issue. It’s more like a practical case of physical vibe that helps shape buyers’ quick perception of quality rather than the result of a thorough assessment. And if we really think about it, a quick perception is all it takes to separate a buying decision from rejection.

RELATED: How 3D Modeling is Beneficial in Product Manufacturing & New Product Development Services

Tactile experience

Physical-product-tactile-design-for-market-success

Still on the subject of material choice, the tactile experience of a product also speaks volumes about its quality. Apart from proportion and weight balance, the typical buyer can’t help but associate different types of materials with the product’s value for money. For instance, wood should feel warm to the touch, and its organic nature is indeed worth a certain premium. Metal is cold and hard, giving buyers the confidence that the product is built to last. Plastic is always seen as the lesser material, less durable, and less premium than the alternatives, but more affordable. Each of these materials has its own distinct feel to the touch, or tactile perception if you like.

Let’s say your product is a coffee machine that promises both reliability and ease of use. As strange as it may sound, people don’t initially judge a product based on what it does or even how well it does the job. The machine can probably make great-tasting coffee, but because users have to interact with it to make the beverage, tactile feedback will inevitably affect their judgment. Imagine having two machines in front of you. They offer the same set of features and are sold at the same price. One comes with all-metal dials and knobs, whereas the other has plastic buttons. Despite having identical functionality, you can easily guess which machine sells more.

With that in mind, tactile perception is a good indicator of value for money and, therefore, of the price point. The coffee machine example above says that metal is the material of choice, and this is probably right for most physical products. But it doesn’t mean that metal design product is always better than plastic design product. There are plenty of products that work best if they’re made of plastic, such as toys (like LEGO bricks), electronic enclosures, car bumpers, syringes, and more.

RELATED: Product Development Guide: How an Industrial Design Company Develops Your Idea

Although tactile perception provides a lot of insight into the product’s expected quality, it still comes down to how the product is meant to be used. For instance, metal keycaps on a laptop probably look impressive, but they’ll burn your fingertips after a prolonged session of typing. If plastic makes more sense (cheaper to manufacture, easier to handle, and safer than alternatives), an effective way to deliver “good” tactile perception is to ensure that material choices and finishing align with the price range and promised quality. In addition to durability and aesthetics, you also have to consider whether the material can be safely or comfortably handled for its intended use.

Assembly required

If your product is one of those with a reasonably small badge exclaiming “assembly required!” near the bottom of the box, you’d better make sure that the instruction manual is as well-written and clearly-illustrated as they come. Before we delve into this, let us remind you that there are two types of people:

  • The average buyer belongs to the first type. They look down on the badge and think that every product should come pre-assembled from the factory; otherwise, they’ll avoid buying it altogether. Their idea of hell is an IKEA store.
  • In contrast, the second type consists of buyers who think they have better things to do than read a manual before assembling a product. In their mind, “assembly required” is a suggestion that if all else fails, read the instructions, then burn it.
  • And if you really want to stretch it, you get a third type, with the conviction that instruction manuals with pictures are only for the unintelligent. We’re going to ignore these people because their opinions aren’t really that important.

Perhaps you’re selling model kits, specialized tools, bicycles, office chairs, telescopes, shelving units, or anything else that requires some assembly out of the box. We’ll be generous and assume your product is well-built and of good quality, whatever it is. So that’s one box ticked in the quality assurance sheet. The challenge is to convince people of your ability to write a good instruction manual.

RELATED: How 3D CAD & CAM Have Changed New Product Design

Buyers like illustrated instruction manuals. They just don’t like to admit it. Here is an idea: rather than saying “Assembly Required process” on the box, why not just be brutally honest and go with “Manual with Pictures Included?” It might not have the same rings (admittedly), but for sure it’ll get the job done. Remember to include the assembly tool as well. It doesn’t matter whether it’s just a pair of screwdrivers or a hex key; the important thing is that you provide the required tools for proper assembly, so the buyer never needs to purchase anything else to get the product ready. 

Intuitive assembly can be a technical matter, but sometimes it’s just a matter of common sense with a little bit of aesthetic touch. An easy example would be the use of color-coded fasteners. Instead of using multiple small plastic bags to organize the screws by length, don’t you think the buyers would appreciate it more if you used color-coding? For instance, the short screws are black and are to be used on the inner side of the assembly, while the longer ones are red and are for the outer enclosure. It really isn’t that difficult to paint screws anyway. An effective manual is an unassuming one. A good rule of thumb is to write the manual as if you’re explaining it to a 5-year-old kid. Never assume that every buyer has the same technical understanding of a shop drawing as an engineer.

Mechanical feedback

A physical product should give a mechanical feedback service to the user. It can be the “click” of a button, the “thud” of a lid closing, or the slight yet noticeable resistance when you flick a switch. The knob on a quality safe makes a nice clicky sound with every turn, as does the plunger of a ballpoint. All these seemingly accidental noises are more than just mere side effects of hard objects bumping into each other. They’re engineered to provide reassuring feedback (which makes this a technical consideration? Maybe, but we’ll gloss over it for now).

Nontechnical-elements-in-new-product-development-process

Mushy buttons have very few physical cues. They seem not to want to tell you if you’ve already pressed them, and that’s not reassuring at all. There’s a reason why mechanical keyboards are so popular nowadays, to the point where silent mice appear like a step in the wrong direction. Clicky yet not noisy buttons are best. If you were born in recent history, you probably didn’t know there was a series of smartphones (with a physical keyboard, because that was a thing back then) that was popular until about a decade ago called “BlackBerry.”

Take our word for it, they used to have the best buttons in the world. If your products have buttons, that should be your point of reference, but we digress. In general, regardless of the product, so long as it has moving parts and requires users to occasionally operate them, make sure that every interaction feels easy and pleasant, and comes with a sprinkle of reassurance about quality. A movable part isn’t always in the form of buttons. It can be a snap-on battery cover, a screw-down lid, a filler cap, a door, a lever, a pull cord, etc.

RELATED: Product Rendering and 3D Visualization – A Full Overview

Everyone smells their new product

You don’t see it happen often on unboxing videos on YouTube, but we know that just about everybody almost always smells their newly purchased product. Not every new product smells like a perfume, alright, and many (probably most) people actually don’t expect a physical object to give off the hint of vanilla or earthy green, whatever that means. At the same time, they do not need to be exposed to the pungent odor of harsh glues and low-grade plastic with every unboxing.

Apart from being unnecessarily unpleasant, the sharp stench is almost a sign that you try too hard to make the product as clean as possible. But more often than not, this tells buyers about how low the quality must be that you need to use toxic bleach to clean things up. A brand-new product, fresh out of the box, should smell nice like a tree on a calm afternoon in autumn, not a sterile medical laboratory. Even if you have to use strong chemical cleaners, at least use vacuum packing process to suck all the air out before sealing it shut.

Is it easy to clean?

People expect their new product to look as great as the picture on the box. And thankfully, in a lot of cases, that’s not exactly a tall order. We’ll take the liberty of assuming you’re not selling collectibles, such as die-cast toys or trading cards, which should be kept in clear packaging to maintain their value. Instead, you build and sell a practical product meant to be used for its intended purpose. It’s an ordinary item people use daily. Things like stationery, kitchen utensils, power tools, home appliances, wallets, backpacks, everyday gadgets, and basically just some actually useful everyday items.

A product looks clean and shiny when it’s new. There’s nothing wrong with that. In fact, that’s how it has always been. Over time, however, after a few days or weeks of use, the clean, shiny look may be covered with dust, gunk, and smudges. The truth is that physical products do get dirty. The question is, have you made it easy for a user to clean the product? And guess what, the hints to the right answer are surprisingly pretty straightforward.

Let’s start with the surface finishing. Polished metal shines and feels premium, but it’s a fingerprint magnet that turns into a smudge fest after just a few minutes of use. Brushed finishing might be better, and it can look just as pretty. Tiny crevices on a product’s surface also lend a sense of sophistication, creating a sense of intricacy in the design, even when they do nothing but collect dirt and sweat from the user’s hands. One of the most common examples of this problem is an ergonomic computer mouse with honeycomb holes. Are they easy to clean? Yes, they are. But are they easier to clean than holeless ones? No, they’re not. 

RELATED: Tips for Product Design Firms: Validate New Product Ideas & Squash Launch Failures

Modularity is important, too. Still remember how some products come with an “assembly required” badge? Now let this sink in for a minute: a product that’s easy to assemble isn’t always designed for easy disassembly and reassembly. Quite a mouthful of a sentence indeed, but not that difficult to understand. Say you’ve just bought a brand new desk ornament. It came in a box as an assortment of separate pieces that you have to put together using the included glue.

You had fun building the ornament, and the assembly itself was a breeze. But because the glue was so strong, you’re going to have a hard time disassembling the pieces for cleaning. Even if you manage to take it all apart, the adhesive leaves behind stubborn stains. So, for ease of cleaning and reassembly, mechanical fasteners like screws, bolts, and nuts are the better options. Cleanability is supposed to be one of the most important non-technical considerations for every new product idea.

Storage space

As far as new product development is concerned, everybody likes to talk about Design for Assembly and Manufacturing. What about “storage design?” Shouldn’t that be a consideration, too? Yes, it should, but unfortunately, it doesn’t make for a very interesting topic for discussion. That being said, we’re here to touch on the subject, albeit briefly, for the reason we just mentioned: it’s not exciting.

Nontechnical-product-design-factors-before-market-launch

When people buy a product, they practically give up at least a small portion of their home’s real estate for storage. Bought a new juicer? Make sure there’s still some space in the kitchen cupboard because the shelf just isn’t deep enough. Taking home a new pair of lawn chairs for the porch? Make sure the old ones can go into the basement. Are you sure you want to get a treadmill? Like, the living room isn’t crowded already. You’re not living in the 1940s, where everyone treated radios as polished furniture. Everything in this day and age needs to be reasonably low-profile and easy to live with. If your product can’t be made into a small form factor, at least have the decency to give it a pleasing aesthetic. So that if it has to stand out in the kitchen, the bedroom, or perhaps the bathroom, it doesn’t become an eyesore.

Takeaway

Technical considerations are crucial, but don’t fall into the trap of taking all the nontechnical ones for granted. A small portion of your target consumers probably do care about every bit of sophistication that goes into the behind-the-scenes work of product development. They pay attention to the material specifications, safety certifications, the eco-friendliness of the manufacturing process, and ethical considerations as well (like whether animals were harmed in the making of the product, maybe?). The vast majority of buyers, however, focus on entirely different things, such as the new-product smell, the clicky feel of the buttons, and how well-made the pictures are in the instruction manuals.

RELATED: Elevating Your Company’s Product Designs Through User-Centered Design Principles 

How Cad Crowd can help

Balancing priorities between the technical and nontechnical elements of product development can be a headache, but it doesn’t have to be a strenuous experience. All you need to do is hire the right people for the right tasks, and that’s where Cad Crowd comes in. Backed by a network of thousands of experienced product development professionals, Cad Crowd has what it takes to bring clients and experts together into a collaborative workflow through multiple hiring options and a user-friendly project management platform.

Cad Crowd gives you curated talent at your fingertips. With more than 15 years in the business, it knows a thing or two about not only bringing product ideas to life but also ensuring a successful launch. Contact us now for a free quote!

author avatar

MacKenzie Brown is the founder and CEO of Cad Crowd. With over 18 years of experience in launching and scaling platforms specializing in CAD services, product design, manufacturing, hardware, and software development, MacKenzie is a recognized authority in the engineering industry. Under his leadership, Cad Crowd serves esteemed clients like NASA, JPL, the U.S. Navy, and Fortune 500 companies, empowering innovators with access to high-quality design and engineering talent.

Connect with me: LinkedInXCad Crowd

Low Volume, Cost-Effective Alternatives to Injection Molding with Manufacturing Firms & Product Designers


There’s a reason product developers, startups, and designers raise their eyebrows when they hear “injection molding.” It’s not just the cost of the mold that costs from $5,000 to $100,000, but it also means you need to commit to it. Injection molding is the long game. If you’re producing hundreds of thousands of parts, it’s the perfect choice. But what if you’re still validating your idea? What if your production runs are in the hundreds or low thousands? What if you’re bootstrapped?

That’s where low-volume, cost-effective alternatives come in because they’re more flexible, accessible, and design-friendly than ever. Let’s explore the practical choices of smart product teams at Cad Crowd, where advanced injection molding is favored over traditional methods, and how manufacturing firms alongside freelance product design experts confidently support this journey. Cad Crowd has over 94,000 experts ready to turn your ideas into a tangible one.


🚀 Table of contents


Why go low volume?

Before exploring manufacturing options, you should think about low-volume production. Because not all projects require, or can afford, the grand scale and expense of conventional injection molding. For startups, entrepreneurs, or even established businesses experimenting with new concepts, taking it low volume provides a more versatile, affordable route in making a realistic physical product.

Think of starting a crowdfunding campaign, and you only require 200 beta units to send out to early supporters. Or you’re about to pitch a fresh idea to investors and would like to present them with a finished, physical prototype. Perhaps you’re launching a custom product line for a specialized niche, or publishing annual model updates and need the capability to make adjustments on a regular basis. In each of these situations, going into high-volume production is risky, costly, and inflexible.

Injection molding and casting design services, though perfect for bulk production, have draconian up-front tooling expenses. One mold might eat your entire development budget before a single component comes off the line. Worse, once such a mold is created, your design is fixed. Revisions become costly and slow, if not downright impossible.

Low-volume production, by contrast, enables you to remain nimble. With CNC machining, 3D printing, or urethane casting, the focus is on responsiveness, speed, and flexibility in the face of change. You can iterate on your design over multiple batches, gather user input, and course-correct as necessary—all without wasting capital.

At best, low-volume manufacturing is just a backup alternative—it’s the intelligent, well-thought-out strategy for innovative product development if speed, versatility, and controlling costs are primary concerns.

RELATED: The simple secret to unlocking new product innovation at design services companies

urethane casting design product example of a gel blaster and plastic enclosure

Urethane casting: The unsung hero of prototypes

Consider urethane casting molding design services (also referred to as RTV or silicone molding) to be the door to high-quality professional parts at a fraction of the tooling expense. Here’s the process: A master part—usually 3D printed or CNC machined—is utilized as a template to make a silicone mold. Liquid polyurethane resin is then filled into the mold to duplicate the part.

Why does it work?

  • Low initial investment: No steel or aluminum tooling necessary.
  • Low lead times: Molds are made in days, not weeks.
  • Ideal for design verification: You can make 10, 20, even 100+ parts that look and feel nearly final.
  • Material versatility: Select rigid, rubber-like, clear, or colored resins.

When to use it?

Urethane casting is ideal for marketing samples, investor demos, or low-volume production runs where appearance is important.

3D printing: Fast, intelligent, and versatile

We’ve come a long way from the clunky, brittle prototypes of early 3D printers. Today, additive manufacturing services aren’t just for early-stage concepts—it’s a serious option for low-volume production.

Here are some popular technologies:

  • FDM (Fused Deposition Modeling): Great for functional parts and cost-effective prototyping.
  • SLA (Stereolithography): Delivers high-resolution, smooth finishes ideal for cosmetic models.
  • SLS (Selective Laser Sintering) and MJF (Multi Jet Fusion): Use durable nylon parts that rival molded plastics.

Listed below are the pros and cons of 3D printing:

Pros Cons
• No tools needed -Ideal for one-offs and high-speed iteration.
• Design flexibility –  Design geometries that are not possible with molding.
• Zero minimums – Technically, a single part suffices.
• Part toughness
• Surface quality depends on the process
• Post-processing is labor-intensive. 
• 3D printing is difficult to top for special-purpose enclosures, internal mechanics, and test cases.

RELATED: Cost-effective methods for new product design & development services for your company

CNC machining: Accuracy at low volumes

When tolerances are close and strength is an issue, CNC machining takes its rightful place. It’s not the most cost-effective per part, but for functional prototypes or low-run production of metal or hard plastic parts, it’s a worthwhile investment for manufacturing design firms.

Advantages:

  • Material flexibility – Aluminum, stainless steel, PEEK, ABS, you name it.
  • High precision – Best for mechanical or load-bearing parts.
  • No molds needed – Every part is machined from a solid block or rod.
  • Less expensive – Flat or prismatic parts, limited undercuts, and intelligent fixturing can maintain cost.

Sheet metal fabrication: The enclosure go-to

If your product contains housing, brackets, or structural panels, sheet metal fabrication could be a pleasant surprise. Laser cutting, bending, and welding allow you to create highly functional and professional-grade enclosures without mold expense.

Recommended application of sheet metal fabrication design services.

  • Electrical enclosures
  • Mechanical housings
  • Industrial control panels

Bonus: Many sheet metal components are powder-coated or silk-screened for labeling at low cost, providing a high-end look without overspending.

Hybrid manufacturing methods

This is where clever manufacturing companies and industrial designers excel. Rather than using a single technique, they mix them.

  • 3D printed components + CNC machined inserts
  • Urethane cast with sheet metal reinforcement
  • CNC aluminum enclosure with 3D printed cosmetic covers

This versatility permits you to balance function, cost, and aesthetics—each step playing to its advantage. Seasoned design companies or independent engineers tend to offer such hybrid approaches at the outset of the development cycle, providing startups a higher ROI.

How product designers approach low-volume strategies?

Much of making low-volume manufacturing work hinges on your working relationship with your product designer or industrial design service provider. Here are some reasons that set a good collaborator apart from an average one:

  • They design across the process: An injection-molded part isn’t necessarily optimal for 3D printing or CNC machining. Cross-process-experienced designers scale wall thickness, draft angles, fillets, and part splits accordingly.
  • They know cost drivers: A 3D printed component can be less expensive per piece, but extensive post-processing can accrue. A clever designer knows when it is wise to opt for CNC or even soft tooling.
  • They plan ahead: If the intention is to manufacture in volume later on, they will ensure your urethane cast components have design intent that can seamlessly move to injection molding without a complete overhaul.

This level of strategic thinking tends to result from designers who have worked in startups and with major manufacturers. They don’t make a part; they make a blueprint.

product design of a refrigerator and machine assembly part by Cad Crowd design experts

RELATED: Speeding up product development with new product design services companies

Collaborating with the appropriate manufacturing company

Not every manufacturing company is alike. Like selecting an architectural design expert, collaboration with your manufacturer can make or destroy a project, especially if you don’t know what you’re looking for.

Here are some points you need to know when seeking out companies.

  • Has good communication skills: Responsive, willing to iterate, and won’t brush off your small-volume requirements.
  • Provide design-for-manufacture (DFM) input: By being able to provide DFM, you can avoid costly errors before they occur.
  • Provides clear contract and expectations: You need to understand where things may stall and what influences the price.
  • Include post-processing services: Painting, finishing, even assembly—some companies can take a product all the way to delivery.

Additionally, inquire about past projects like yours before agreeing to collaborate. If they can produce a portfolio of short-run success stories, that’s your green light.

Designing for flexibility and future tooling

Even if you’re bypassing injection molding for the time being, it’s wise to design with future plans and processes in mind for product engineering companies. Here are some things you need to keep in mind.

  • Steer clear of extreme undercuts that create complex mold actions.
  • Keep the wall thickness as uniform as possible.
  • Produce clean parting lines and reduce side actions.

Your chosen product designer needs to understand how to balance quick decisions on cost savings with long-term objectives, so your next move isn’t a redesign from scratch.

When (and how) to transition to injection molding

Once your product gains engagement, say, post-crowdfunding or after a few hundred sales, scaling becomes the next hurdle. If your design is proven, customer feedback is positive, and you’re confident in demand, then transitioning to injection molding makes sense.

How to prepare:

  • Use data from your low-volume runs to inform changes.
  • Work with tooling engineers early to understand feasibility.
  • Factor in tooling time, which can be 6–12 weeks or more.
  • Budget for iterations even at the mold stage—first-shot molds often need tweaking.

By then, your revenue (or investment) should help justify the mold cost, and you’ll already have a tested, reliable product in hand.

RELATED: Key factors to consider when vetting engineering firms for design & consulting services

Conclusion

Low-volume manufacturing isn’t just a stopgap; it’s a strategic approach that unlocks speed, affordability, and design flexibility. It can mean the difference between launching and stalling out for startups, creators, and even corporate innovation teams.

How Cad Crowd can help?

The essential factor is collaborating with the right professionals—designers and experts from Cad Crowd who possess insights beyond just CAD, as well as companies that perceive your low-volume run as a valuable partnership rather than a hassle. With the appropriate approach and manufacturing strategy, you’ll advance effectively from prototype to product, taking each intelligent step forward. Request your free quote today!

author avatar

MacKenzie Brown is the founder and CEO of Cad Crowd. With over 18 years of experience in launching and scaling platforms specializing in CAD services, product design, manufacturing, hardware, and software development, MacKenzie is a recognized authority in the engineering industry. Under his leadership, Cad Crowd serves esteemed clients like NASA, JPL, the U.S. Navy, and Fortune 500 companies, empowering innovators with access to high-quality design and engineering talent.

Connect with me: LinkedInXCad Crowd

Understanding Injection Molding, Insert Molding, and Overmolding for Companies


Have you ever wondered why most tools are easy to hold and grip? It’s all thanks to the introduction of processes, including injection molding and casting services, insert molding and overmolding. However, if you’re not part of the industry or haven’t heard of these terms, they can be confusing. It’s understandable because insert molding and overmolding are two types of injection molding. Continue reading below to learn more about injection molding, insert molding and overmolding processes.

What is injection molding?

Molten plastic is injected into a mold during injection molding. The mold will then cool down, and the plastic will become solid. Companies use injection molding to produce various products, such as consumer goods, automotive parts, and medical devices. 

RELATED: How to design products for injection molding & prototyping firms

How does injection molding work?

A popular technique used by manufacturing design firms, injection molding is used to create parts by injecting molten materials into molds. This is a relatively common process for plastics, although it applies to glass, ceramics, and metals.During this process, the mold of the product is made first. A mold is a hollowed-out block that will give shape to the liquid or molten material. The mold will then be placed on the injection molding machine. 

The plastic pellets will be heated until they melt. This molten plastic will go under high pressure into the mold. While the material hardens as it cools, it will take on the mold cavity’s shape. Once the plastic cools down and solidifies, the product or part will be ejected from the mold. Injection molding allows the creation of parts of all sizes and shapes. Molds can also be designed to produce more complex internal features. This ability to develop intricate designs is why injection molding is applicable in different industries. 

RELATED: 10 Injection molding design mistakes to avoid while working with CAD design services & engineering firms

What is insert molding?

The manufacturing process of insert molding involves adding parts, mainly metal, on top of the molded parts. Insert molding consists of the use of inserts in the injection molding process. This process is done before the product is cured and helps cut down the processes required during assembly following molding. After the parts that will be molded on top of the product are obtained, another layer will be accepted after the parts are inserted into the mold. 

Insert molding can be carried out in two ways: automated and manual. Manual insert molding is relatively cheaper than automatic insert molding. But as far as consistency is concerned, automated insert molding is the ideal choice. It reduces human errors and increases efficiency. Introducing inserts onto the mold cores cast using the automated or manual process will result in plasticizing the plastic pellets after the mold halves are closed.

The pieces will be ejected from the mold after the plastic hardens. The inserts will then be encapsulated in the parts. An excellent example of insert molding is the addition of a plastic layer over the screwdriver’s metal part for the plastic handle to be produced. 

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What is overmolding?

Overmolding is a manufacturing process involving a seamless combination of different materials into a single item or part. The overmolding process involves two essential steps. Molding and curing the substrate, typically plastic, is the first step. This is followed by direct molding the layer over the initial layer to produce a single product. Product design companies designing a toothbrush is a typical example of overmolding, where a basal layer is formed first, followed by a rubber layer. 

Overmolding can significantly reduce production costs. Some of the critical components of the process include the rigid plastic base covered by a flexible, thin, rubber-like material. This manufacturing process has astounding versatility as it is helpful for different home items, including toothbrushes, hand tools, and razors. 

Advantages of injection molding 

1. High and efficient production 

After the molds are developed, it speeds up the process, with cycle times only requiring 10 seconds. This ideal option for high- and medium-volume production runs from 10,000 parts to more than 100,000, depending on the molds used. 

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2. Intricate detail

High-pressure injection forces molten plastic into the mold, enabling the creation of intricate and detailed shapes.

3. More choices of materials 

Choose from a diverse array of plastic materials tailored to meet the specific properties required for the final part.

4. Minimal to no post-production 

Little to no post-production is required since the parts often have pleasing aesthetics. 

5. Lower cost per part

The cost per part is meager for high-output production runs. 

6. Reduced waste 

Unlike most manufacturing methods, very little waste is produced during molding. 

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7. Repeatability

Identical products can be manufactured repeatedly. It’s a good choice for parts with high reliability and tolerances across high volumes. 

Disadvantages of injection molding 

1. Design limitations

There are several design elements a product designer need to consider during injection molding. These include controlling the thickness of the wall, preventing sharp edges and undercuts, and using radii and drafts to eject the parts. 

2. High initial cost 

A substantial capital cost might be required for higher volumes of production that require a great deal of machining and time to produce. 

3. Longer initial lead times

Some tools may take several weeks to be produced, so consider using other technologies like CNC machining services or 3D printing, especially for lower production runs. 

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4. Not cost-effective for small production runs

Injection molding might be unsuitable for smaller production runs when other manufacturing processes are more suitable. 

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Advantages of insert molding 

1. Lower cost 

Insert molding makes it possible to create thousands of parts of products in just one day. Its economic significance leads to reduced costs for the entire molding production process. 

2. Faster assembly time 

The assembly of products needed in CNC machining is often challenging. However, insert molding can do away with the need for assembly. The overall production cost is reduced because no assembly time is involved. 

3. Multipurpose parts

The parts produced by 3D modeling design services for machine parts using insert molding can serve various purposes depending on the specific function that the product is intended to serve. The combination of metal and plastic parts will benefit not only the end users of the product but even the manufacturers. The use of plastic parts can also improve the design’s flexibility and make it lighter than metal. 

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Disadvantages of insert molding

1. Multiple technologies for manufacturing 

Machining processes such as die casting are required for custom-designed inserts. This is made before the start of the actual process of insert molding. This results in a higher cost per part. 

2. The complexity of part design

The injection molding designers must be familiar with the design of the technology’s manufacturing principles for them to produce custom-made metal inserts in insert molding. This is the only time when it becomes practical to integrate the involved technologies. 

Advantages of overmolding 

1. Eliminate the need for adhesives 

Adhesives are no longer required in overmolding since the different parts get the chance to fuse during the process. This will increase the durability of the parts or products produced. It also results in an overall reduction in production costs. 

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2. Better product performance

Adding other suitable quality materials to a product can significantly improve its performance. Those products that go through overmolding have two edges in terms of materials over the traditional products used in most industries. This will, therefore, enhance the performance of the products made using overmolding. 

3. Improved flexibility of materials 

Combining several parts is required in overmolding, increasing the part’s flexibility because it leverages each of the benefits of the involved materials. Design for manufacturing and assembly firms can also use an overmolding design guide to enhance flexibility further. 

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Disadvantages of overmolding 

1. De-bonding

The risk of delamination may occur if two different parts are bonded together in an injection mold. Delamination may take place if there is a change in the range of optimal temperatures. Mechanical interlocks will be required when the available heat fails to bond the two materials successfully. 

2. Multiple processes of production 

Two steps are involved during manufacturing using overmolding, which can increase the cycle time of each part. The production cost may also be higher than just molding one part in one process. Overmolding also needs more tools compared to single molding because the process involves two steps. 

How Cad Crowd can help 

Injection molding and its two specific types, insert molding and overmolding, are efficient and helpful processes. These techniques help produce different parts with various uses and applications. Before embarking on your project, it’s vital to assess these methods to make a well-informed decision. Knowing what type of finished part you plan to make and its specific application will help you identify the proper process. Cad Crowd offers injection molding and casting services and can help you find specialists to guide you through every step to ensure successful production.  Contact us for a free quote.