Quote:
Originally Posted by LimitedSlip
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I would say for something like that the better option would be using a cheap(ish) hobby CNC to make aluminum molds for a cheap(ish) injection molder built out of a manual hobby hydraulic press.
Since it's going to be clearly visible the layer lines you'll get from 3D printing would be a detraction for most people, and sanding/filling those lines to eliminate them would be labor-intensive.
Alternately, simply milling them out of aluminum might be preferred. Simpler process overall, and thus potentially competitive in terms of price. Also opens up the possibility of anodized finishes in addition to the typical paint options. And being made out of aluminum with that "bling" factor would support the higher per-pair cost.