Hi Puzzlers,

The Fun Block puzzle is a six sided block with five axes of rotation, originating at three different points. One axis at the center of the puzzle allows pieces from the two halves to exchange sides, and the four peripheral axes allow 90 degree turns. This lets the orbiting pieces change orientation, which leads to the shape-shifting capability of Fun Block. Essentially, the Fun Block is a shape-mod of a fully functional siamese 2x2x2 cube. Here are the photos:
Fun Block is now available for sale at my Shapeways shop, and here is a video of the Fun Block.

Enjoy (or I should say "Have Fun"!)
Dave

Nice , i it just me or it look like a 2x2x2 version of a box cube ?

It looks to me like a FF Fused 2x1x1 block 2x2x2 shapemod. Nice one!

Very good images for a nice puzzle!

Very cool puzzle! Does it have any problems with pieces falling out in mid turn like on the other Siamese 2x2x2s?

It would have had that problem, but I added details on the parts that allow them to subtly snap into place. This holds the pieces so that they do not fall out while the puzzle it being manipulated, but they can still be removed if desired. Because of this it is a very easy puzzle to "cheat" with.

And then there were three.

Congradulations on an epic puzzle! If interested, PM me for a "complex" solution that I'm working on to keep parts in, although this puzzle seems to work great without it.