My 1 dodecahedron was made on a lathe. And so I decided to make it with my son on a 3D printer. It can be printed in 2 ways. 1 Print on a printer with two extruders and a water-soluble auxiliary material. 2 First print out the dodecahedron. Then insert it into the partially printed sphere and finish printing the sphere. The first method is more reliable, but I chose the second. ;) Happy printing everyone.