This 3D model was originally created with Sketchup 13 and then converted to all other 3D formats. Native format is .skp 3dsmax scene is 3ds Max 2016 version, rendered with Vray 3.00 This is the game where you have to move a ring along a shaped piece of wire without the ring touching the wire. The model has been drawn in order to illustrate the instructions for constructing this game. The instructions are available on the website.