Dremel 3D filament spool holder for 123-3D housebrand spools

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Summary This is a filament reel or spool holder designed for use with non-Dremel reels or spools. The holder securely holds 1kg spools featuring an outside diameter of 200mm, a width of 64mm, and a hole diameter of 52mm, as seen in the 123-3D Housebrand's standard supply. It also accommodates "05kg core" cores for holding 0.5kg spools with an inside diameter of 50mm and a width of 40mm. The holder fits perfectly within the Dremel 3D20 printer, allowing for convenient storage on the right side alongside standard Dremel filament or other spool sizes. A mirror image of the filament guide is used to accommodate both reel types. However, users may notice varying dimensions among reels, which can cause some to slightly touch the y-axis-stepper motor; in such cases, removing excess material from the reel ensures smooth operation. Installing this holder requires opening the bottom cover and replacing the two existing screws with longer ones for a secure fit. For optimal performance, mount the reel on the holder when the plate is in its lowest position.