Build a Giant Collapsible Vortex Air Cannon You Can Take Anywhere 12/30/2015 Build a giant vortex air cannon made from PVC pipe, plywood, and tarps that disassembles to fit inside a medium...
Things I’ve Learned — A Cabin from Scratch 04/01/2010 I built the cabin for $1,100 and the investment paid off in more ways than I could ever have imagined.
Homebrew — My Adventure Tower 11/17/2009 I designed and built the basic structure five years ago and have been adding (and sometimes subtracting) new play elements...
