This Three Part Wednesday Widget does just that: a 1/8" thick, 2.75" OD round machined wheel needs machining both inside along its outside diameter. Sure, you could drill the center hole in a first operation and then finish in a second operation, but let's do it all in one operation! Better yet, let's use SolidWorks and SprutCAM to easily create fixturing tabs! We'll then blend those
tabs in with a scotchbrite wheel!
Purchase the Scotchbrite blending wheel used in this video:
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Machining AR-15 Lower Receiver: https://www.youtube.com/watch?v=svtIp2wzl1A
DIY Arduino CNC machine with GRBL: https://www.youtube.com/watch?v=1ioctbN9JV8
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