This is no longer the world record. Checkout Preston's 49x49 here!:
• WORLD RECORD: The 49x49x49 Rubik's Cube
Filament I use for 3d printed projects: https://us.polymaker.com?aff=41
22x22 on thingiverse http://www.thingiverse.com/thing:1267855
Stickers for this puzzle where made by http://oliverstickers.com/