Some of the below can be used in building guitars
To view all of the instructables click view all steps.

http://www.instructables.com/id/How-...ent-from-wood/

http://www.instructables.com/id/All-...now-bout-LEDs/

http://www.instructables.com/id/Buil...undproof-Wall/

http://www.instructables.com/id/Glow-table/

http://www.instructables.com/id/Wood...lane/?ALLSTEPS

http://www.instructables.com/id/Guitar-Stand/

http://www.instructables.com/id/Reso...coustic-guita/

Enjoy