Spool Holder for 1515 Aluminum Extrusions

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This is a spool holder designed specifically for 3D printers that utilize 1515 Aluminium extrusions. The holder should fit Hatchbox filament spools perfectly, given their 65mm width. While I haven't tested it with other types of spools, I'm confident that it will securely hold Hatchbox spools without any issues. To ensure durability, these spool holders should be printed with an infill density of 25-40%. The holder's design is intentionally robust and sturdy to prevent bending when holding at least one kilogram. Two M3 screws are used for attachment to the extrusions - one from the top and another from the back. To print this spool holder effectively, I recommend using a layer height of 0.2mm and an infill density of 40%. Additionally, make sure to enable support material for the lower section as it will otherwise result in excessive overhang.