Insanity Plus is a close relative of my previous "Edge of Insanity" puzzle. In fact, Insanity Plus looks exactly like Edge of Insanity, but it has three extra axes located at the vertices with four-way symmetry. This gives it a total of nine axes.
Other Items Needed:
Dye: If you want the puzzle to be black, you can save money by dyeing the pieces yourself with a nylon dye such as RIT or Dylon. Or Shapeways can dye the parts for you at an additional cost.
Stickers: Template available in the instructions forum. If you want professionally cut stickers, I recommend Oliver’s Stickers.
Screws & Springs: The puzzle snaps together, so no screws or springs are needed.
Degree of Difficulty:
Assembly: Easy assembly.
Solving: Very difficult to solve.
Insanity Plus turns very easily, and the mechanism is very stable.