Check out Casey’s channel here: https://www.youtube.com/channel/UCUhtud_gERzO-HWEVUohr9Q
Also, Casey has published the files for the 3d printed extensions for puzzles like his 4×4 bump cube on his website, which means you can print these extensions and make these puzzles yourself, so long as you have access to a 3d printer.
Check out his website: http://twistytex.com/
Support me on Patreon: https://www.patreon.com/jrcuber
Shoutouts to all of my Patrons:
Jason Percival Jr
Thomas Vassil Brcic
My Website: http://jrcuber.com/
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My Cuber ProFile: http://bit.ly/1ESYcwZ
Get 5% off all your orders from Thecubicle.us with the discount code “JRCUBER”.
Music: Thank You – Joakim Karud: http://youtube.com/joakimkarud