My latest cab

Very cool! How thick is it?

Very cool

It is slightly over 5mm (.20"). I drilled the holes to within 1mm so they would show better. It is Montana Agate. It was my latest submission for my Rock and Gem Magazine Bench Tips column. It will be in the April issue, I think. When I write the column I include the tools that I make or buy for the project. I use wood
burs made from 1/2" dowels for all of my sanding and polishing in the holes.
My machine has 3 eight inch wheels. Two plated diamond grinding wheels and one expando wheel.

In addition to using homemade wood burs I use diamond ball and edged wheels in my Foredom unit.
I also use silicon carbide carving blocks mostly made from silicon carbide grinding wheels. I also buy
sanding blocks from carving dealers.