Shapeoko to create brushed aluminum effect?

[WillAdams (William Adams (Carbide 3D))]

See:

Engine turning my new aluminum base

I find that the spindle is a little too fast, but here is something I did about 18 months ago on the Shapeoko3 I hot glued a 3M Scotchbrite to the head of a 1/4-20 flathead screw, and then a piece of 120 grit paper to the Scotchbride (This acted a cushion/spring). I placed the screw (thread) into the 1/4 collet [IMG_8104]

and

CNC automated sanding?

It’s been 3 months since the earlier post of mine in this thread where I said I would get one of those on Amazon: [image] The opportunity to test it surfaced a few days ago when my wife told me that this wooden tray I had cut for her two years ago was not fancy enough and could use some improvement: [DSC_1494] So I v-carved it Art Deco style, [DSC_1496] used a coat of clear epoxy to seal the wood, [DSC_1497] poured black epoxy “Julien style” (messy), [DSC_1500] and then surfaced i…