Reference
- Online Conversion - Units conversion
- Metal Reference - Drill, tap and taper sizes
- Screw Sizes - Screw sizes (note links to larger sizes at bottom of page)
- SolidWorks - The 3D design program with which I'm most familiar
- Shop Reference - from MIT
- Weld Symbols - a helpful explanation
- Material Densities - a sampling of material densities.
Inspiration/Discussion/Misc.
- core77 - A great design magazine website and discussion board.
- DesignScienceToys - Fun toys
- London Design Museum
- David C. Roy - Kinetic sculpture
- Arthur Ganson - More kinetic sculpture
- AskTog - A very intelligent page on all sorts of design
- Jakob Nielsen - Another great page on different kinds of design and usability issues
- Donald Norman - Yet another design "expert" on the web