Reza 12-20 Puzzle Box It was not practical to

It was not practical to produce the puzzle because it was hard to guarantee the accuracy and proper tolerance for the puzzle at that time

he prepared lots of extras

Main body: Victorian Ash

she encountered a problem during the CNC machining stage

to give an Aboriginal name since we have been living in Australia

Reza 12-20 Puzzle Box It was not practical toA polyhedral shape interlocking puzzle designed and made by Junichi Yananose in 2016. The shape of the puzzle is based on a compound of dodecahedron and icosahedron. Juno has simulated 25 patterns of twisting angle and orientation of the pieces to have a well balanced assembled shape. And then he has tested numbers of combination of the pieces to make the burr puzzle enjoyable, challenging and operable by two hands. 10 types of the pieces are used for