PCB ruler with different foot prints ,SMD proto-typing area, tables, various AWG size holes and inches and cm scale.
CC-BY-SA https://creativecommons.org/licenses/by-sa/3.0/
Suggestions for footprints
http://black-electronics.com/blog/open-source-pcb-ruler/
3D views generated from http://mayhewlabs.com/3dpcb
The PCB is designed in CadSoft Eagle.