I have an invention in mind that I would like to prototype. It's pretty simple and the prototype would be made of plastic and it would need some springs. Has anyone done anything like this? It seems like it would be super easy but getting my napkin idea into a full fledged 3d model and getting one made has been a hurdle. I emailed a couple of places that make "prototypes" but haven't heard back. Am I putting the cart ahead of the horse?
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