Rostock & Kossel hanging Extruder for soft filaments 1.75mm

thingiverse

13/01/2016: After more tests, many hours of uninterrupted printing pass, and I shout YAY!!!. Works exceptionally well with PLA, ABS, NYLON, PVA, TPE, TPU, PET-G. Hi everyone. This is an extruder for flexible filaments, indeed working very well with PLA, Nylon, ABS, PET, etc. I discovered very few extruders with truly low mass. Nema17 are quite heavy and this results in the printer losing precision, speed, and many steps. But how about suspending the extruder above the arms using an elastic material to maintain the bowden really short and suitable for printing flexible filaments? The LiteStruder comes alive. It's very simple, lightweight, and the effector doesn't bear its mass. Everything is carried by the carriages and some cut rubberbands. Print Settings Printer: Rostock Rafts: No Supports: No Resolution: 0.25 Layer - 0.6 Nozzle Infill: 35% - 55% Notes: I sliced the stl in Simplify3D v3. Manual supports were placed under the base of the body, but it's not really needed. If you have any kind of problem printing this item, please post a comment and I'll be happy to help. Post-Printing Post Print Clean everything, particularly if you used Brims. A 2mm drilling tool was passed through the filament liner to make it completely clean and even. Some lube oil is applied over the idler. B.O.M. 4x 3x20mm bolt 2x 3x40mm bolt 2x spring 2x 3mm low profile nut 3x 4x40mm bolt 2x 4x20mm bolt 1x 3/8 pushfit for 4od 2id PTFE tube (for 1.75mm filament) 1x MK8 pulley 1x large rubberband to cut into 3 parts 6x zipties 1x PTFE tube 4od 2id