Designed to hold moisture sensitive filaments, like PVA and Nylon. Features: 3 Version available, Narrow, Standard and Wide: Narrow can hold spools from 140 to 210mm outside diameter and width up to 40mm; Standard can hold spools from 140 to 210mm outside diameter and width up to 70mm; Wide can hold spools from 140 to 210mm outside diameter and width up to 100mm; Ball bearing design; Largest printable part only 125 x 125 x 128mm; Can handle heavy spools (3.5kg, 5kg); Clear windows to check and measure remaining filament; Blue silica holder with inspection window; All parts designed to be printed without supports; Included detailed assembly instructions; (project #300417 - G.Calin - [email protected] - May/2017) Notes: For the Cover and Base parts (largest parts in PLA) Use large brim (20mm or so) to minimize warping Use at least 3 shell and top/bottom layers Use 35% infill 0.2mm layer works well For Hinges and other small parts (in ABS) High density infill (30~50%) is recommended Use at least 2 shell and top/bottom layers 0.1mm layer gives a nice finish Update - Base and Cover for large bed printers For those with large bed printer (250x250mm), the base and cover are now available in a single piece: PAR300417-103_104-[version] - Base AB (ALTERNATE 3D Print x1).STL PAR300417-105_106-[version] - Cover AB (ALTERNATE 3D Print x1).STL These parts do not have the mounting pillars and can be printed in a single run, making assembly faster and easier. Update - Alternative roller An additional roller is available: PAR300417-024-[version] - Conic support roll BODY (3D Print x4).STL PAR300417-025-[version] - Conic support roll PIN (3D Print x2).STL