Based on our record, Shapeways seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can even download a CAD model of the gear you want & scale it down to the size you're looking to use, and then get it made from shapeways.com or find an SLA printer or something. Source: about 2 years ago
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trinckle - An online 3D printing service provider in Germany. With a software platform paramate.