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Metric UM2 Filament Straightener
By cn
at 2024-05-08
Liked the idea of a filament straightener.
Modified to suit bearings (696ZZ) and machine screws (M5 button cap) to hand ( these are a sloppy fit in the bearings inner diameter before some insulation tape packing; ideally you would have M6 button caps in the 6mm internal diameter bearings :o) )
Original parts are included as they are imported into the openSCAD files for the modifications.
Technical
*Printed*
1 base (with or without filament guide)
3 pulleys to suit the external diameter of your bearings
Parts printed in PLA
0.1 mm layers without support
Dot 3mf files are print orientation.
*Other parts*
M3x30 machine screws to attach to the feeder's motor; quantity 2
M5 / M6 button cap machine screws (10mm or longer); quantity 3
625ZZ / 696ZZ ball bearings for pulleys; quantity 3
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