Do you need to drill a hole at a specific angle? Then you can make a wooden drilling accessory with an edge at the same angle. Hold the drill against the angled edge, and then you can be sure you’re drilling at the right angle.
Build a Woodturning Lathe by NickLieurance on Etsy
Engraver Sharpening Setup by gary hart -- Homemade engraver sharpening setup featuring a geared DC motor running at 300 RPM. Utilizes aluminum-backed diamond grinding wheels. Holding fixture permits angle adjustments to be made when sharpening. http://www.homemadetools.net/homemade-engraver-sharpening-setup