[Fran] shows us how to build a plastic friction welder ... depositing a bead of styrene into the joint. The tool seen here is a cheap DC rotary tool acquired from Harbor Freight.

Our favorite rotary tool, the Dremel 4300-5/40 Rotary Tool Kit is on sale for $ 99. 99 (save $25) during Amazon’s Black Friday Sale. Hurry, this deal won’t last long! No workbench is complete ...

including cutting, polishing, and grinding. [Konstantin] sent us in his home made wall mount rotary tool based off of parts from a blender and an old bench top jigsaw. Unlike a Dremel where the ...

Cutting sheets of plywood, plastic ... saw, rotary cutter or the brand name RotoZip) has a cylindrical cutter that looks like ...