For those interested in the actual build process and materials rather than just a writeup, here it is from his personal site: http://mkcastor.com/2014/01/02/pip

For those interested in the actual build process and materials rather than just a writeup, here it is from his personal site: http://mkcastor.com/2014/01/02/pipad-build/ http://mkcastor.com/2014/01/02/pipad-build/