Press the red buttons to change the settings of the cube, press space to change control type, and slide the variables to change some features in the cube. The FOV variable changes the fov and the stretch and squash variables are self explanatory.
@_youtubeN1 for the base. @yeahyay for the new variables. You guys should check him out. I heard he's really cool. :P But really, check out @_youtubeN1.