3D Printer Files | 3MF File | 3 CFS stand with a sliding rails (non-overturning one)

This stand gives possibility to change filament spools on a middle and a bottom CFSes without extra movements, just slide on the rails (even in a switched on condition).And it will not overturn, even if no spools in the top CFS.All printed parts are assembled in two plates. If you wants extra crossbar, add 424mm profile (i'm not using extra crossbar, for me strength is enough).Other parts to build:1) V-slot 2020 aluminium profile 650mm - 4pcs (vertical rear and front angled)2) V-slot 2020 a