I would suggest making a template out of 1/4” thick material and use a carbide router bit with a bushing or bearing then follow with a round over bit. It will make a dusty mess but should address the issue.
I have been making CNC projects this year. I just finished up the Lord’s supper for a fundraiser auction. I purchased the STL model file so it’s not my original work. 23 hours of machine time and another 4 hours of detail sanding and finishing time. The challenge coin flag is my own design. It’s...
I have an old stainless restaurant kitchen prep table and a small welding table from Northern Tool. The biggest issue with a bench on casters is that you can’t get a lot of leverage with something clamped in the vice. The table wants to tip or move.
Controlling the humidity in the area below the slab will be important. Condensation on the bottom of the garage floor/ roof of the safe room will be a constant issue.