PISA - Plastic Interlocking Spool Array

PISA stands for Plastic Interlooking Spool Array, a tower for holding spools of filamentsInspired by the well-known Italian tower, this modular system allows to solve our common problem of serial and compulsive accumulation of filament spools :-)The system comes with a base, a lid, and n-modules, one for each spool; the modules are optimized to be printed in about 4 hours (at normal speed, with eSun ePLA-SS type filaments) and have a soft texture to the eye that allows them to be placed in the h