The file 'Rack For Raspberry PI B On A Modular System 19″ 2U 3D Printer Model' is (FCStd1,stl) file type, size is 122.3KB.
An addition to the rack system for Raspberry Pi B+, 2, 3 and zero on a modular system 19" 2Uby Krapozok, dedicated to "old" raspberry pi model B (especially revs 1 without hole for fixation).