3-phase angle grinder arduino bandsaw belt grinder blacksmith blacksmithing christofix clamp cnc deburring diy dremel pin router drill drill attachment drilling drill press fixes forging free plans from ukraine garage grinder hammer handmade homemade how to make jig job joke kluge knife lathe machining metal metal and pipe bender metal bender metalworking mill milling milling machine mini lathe oil resistant jointing pedestal grinders phase converter plywoodworking repurpose restoration ros rotary phase converter router router table sensitive drill press storage table saw table saw jig thread dial indicator tip tool tools treadmill motor trick trike turning vise vitrified wheel welding welding fume extraction woodworking workshop