D20 puzzle: maze-puzzle inside 20-sided dice - free STL

Описание: 0:00 time lapse printing outer part
0:35 time lapse printing inner part
1:09 finished puzzle closed (rotation)
1:40 finished puzzle open (rotation)

files: https://www.thingiverse.com/thing:533...

if there is something functional you want me to design in 3d then make a suggestion here