This Blender video demonstrates how to make a 3D model of a Stereo Plug Adapter. A physical Stereo Plug Adapter was used as a reference, and a Digital Caliper was used to measure its dimensions.
Link to check the current price of the iGaging Digital Caliper.
https://amzn.to/30A78GT
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Link to grid image
http://www.littlewebhut.com/images/ad...
Link to background image
http://www.littlewebhut.com/images/ou...
Blender website
https://www.blender.org