Home made tools? Lets see them!
Reach into Tight Places with a Ratchet Extender
mechanical detail ref
A dolly design to load things onto trailers. With steel tubing / a flat plate / added wheels and a lever system to lift the wheels from the ground - you can go a static dolly to movable dolly quickly.
Home Made Pantograph Reducer or Enlarger of drawings.
Ideas to build.... Custom Twin Blower Fireplace Heat Exchanger
Make a steel bench vise (what I want for Mothers' Day)
Critter spray gun for paint, stain and polyurethane. Genius design uses regular pint mason jars and connects to any air compressor.
WD-40 uses. My favourite one is using WD-40 on dry erase boards to restore them to a sparkling white.
Miller - Welding Projects - Idea Gallery - "Toe" Jack Milling Machine