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Albigger · 11-05-2002, 03:05 PM

it looks grainy (the base, inside) because I sandblasted it - both to rough up the surface and to try to get rid of minor burrs after i was done milliing.

I made the 'half-bowl' shape in the center by plunging a 5/8 or 9/16 (don't remember) ball mill into the center, to half its depth, BEFOR i milled all the individual pillars.

11-05-2002, 03:05 PM	#3
Albigger Cooling Savant Join Date: Sep 2002 Location: ohio Posts: 140	it looks grainy (the base, inside) because I sandblasted it - both to rough up the surface and to try to get rid of minor burrs after i was done milliing. I made the 'half-bowl' shape in the center by plunging a 5/8 or 9/16 (don't remember) ball mill into the center, to half its depth, BEFOR i milled all the individual pillars.