This puzzle only really has 3 turnable faces. This was achieved by removing the cuts surrounding one corner. An alternative would have been to remove the 5 cuts surrounding a center, which would have essentially resulted in a Pentultimate (with internal parts visible). I decided to stick some gold stickers on the open part since without them it just looked very dark. I think this is nicer. The puzzle is 40mm on an edge. It's quite large so the puzzle on the inside is also nice and large. The hole is about 60mm in diameter.
The rotational movement on this puzzle is very smooth. I have not used springs in this design as that would have required the inner puzzle to become smaller which would have been a shame. The feeling of this puzzle is therefor a little different from other puzzles which do use springs like my Multidodecahedron but it's still very good.
Buying this item will get you a DIY kit of the parts required to build this puzzle. You will need to provide 3 of your own M3 screws to assemble it. If you do not want to assemble your puzzle yourself, I can do so for an additional fee. Contact me (email@example.com) for more details.