Monoprice MP select mini extruder guide for TPU
thingiverse
UPDATE: Check out this upgraded remix at http://www.thingiverse.com/thing:1919259, which performs even better! Use that one instead. This design is a sleeve/guide to prevent buckling of flexible filaments, fitting snugly into the small gap between the extruder assembly and the start of the bowden tube. NOTE: In your slicer, simply flip this around by 180 degrees. The cutout cylinder at the bottom matches the bowden tube's input hole perfectly, ensuring no overhangs when flipped over. Print Settings Rafts: No Rafts Supports: No Supports Infill: 100% Infill Notes: Printed in PLA Post-Printing You may need to file the inner hole slightly to achieve smooth filament travel through it. How I Designed This I designed this using Openscad (the source file is attached).
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