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this post was submitted on 18 Feb 2024
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3DPrinting
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Man I have never understood what people are doing to make money with a 3d printer. It’s an incredibly inefficient manufacturing technique if you need quantity of a part. So, how does that business even work. Who the hell is buying all those… green rectangles? What are they for??
Getting a part injection molded is a pretty involved process. You have to find a manufacturer who will work with you, have a prototype mold made, do a test run, correct the mold/material/process, have a new mold made (iterate as necessary), then do a full production run. Making the molds is usually pretty expensive by itself. It's all fine if you're making thousands of units, but if you only need like 100 of something it's usually not worth the time or money.
It's a lot faster and easier to work through prototypes by 3D printing them (it is what they were originally made for), and if you need a relatively small batch it might be more efficient.
Working in a niche field I see this a lot. For example, we needed an adapter for an amplifier from a small research equipment company. The provided us with a 3d printed component MacGyvered with existing hardware. I would imagine the total number they will ever need to make would be less than 100. I can't imagine a better use for 3d printing.