In this video I compare the cost of 3D printing vs CNC machining from the home designer’s perspective. My test case is a spinning top with articulated arms that I designed. I put some hard numbers on how much it would cost to make a prototype from these two different manufacturing processes.
Thingiverse link for the spinning top with articulated arms:
Link to articulated butterfly featured on Thingiverse:
Link to Protolabs website:
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3D Printing vs. CNC Machining: Prototyping Cost Comparison