"PTFE" FDM printable BMG Bondtech extruder for Prusa
Description
# "PTFE" FDM printable BMG Bondtech extruder for Prusa This design is based on [MarcoZ76's Bondtech BMG Upgrade MK3S FDM printable new sensor integrated](https://www.thingiverse.com/thing:3469271) and [Bondtech BMG Prusa MK3S/MK2.5S v2 FDM printable + RHD ver.C fan Shroud](https://www.thingiverse.com/thing:3754163/files) with some modify to make the part easier to be printed with FDM printer, added PTFE tube as filament path to fix the jamming problem of non-smooth printed filament path. ## Feature - Use PTFE tube instead of printed filament path that might cause jam if the printed path is not smooth enought. - Custom support built in on STL - Some change to make the parts easier to print. - Accessable to the gear for manual control.(cutout body version) - Fixed filament sensor false trigger problem. ## Require printed parts | Part name | Link | Other option | |---|---|---| | Nozzle duct | [MK3 RHD Fan Duct Rev. C](https://www.thingiverse.com/thing:3249344) | [Micro-tweaks to Nozzle RHD Rev C for Slic3r](https://www.thingiverse.com/thing:4054462) | | Nozzle duct mounter | [MK3 Nozzle RHD Rev. C Support for FDM Printable Bondtech BMG](https://www.thingiverse.com/thing:3429508) | - | | X carrier | Bear Bondtech mounter | Standard bondtech carrier also work on stock mk3?(not tested) | | Body front | v2-ptfe-body-front.stl | or cutout version | | Body back | v2-ptfe-body-back.stl | | | Filament sensor level | v2-fs-lever.stl | Use the fix version instead. This version has extend the level by 0.5mm to address the unstable trigger problem in the original design | | Sensor ballbearing adapter | v2-adapter-printer.stl | | Hingle | v2-hingle.stl | | | Filament sensor cover | v2-Sensor_Cover_MK3s.stl | v2-Sensor_Cover_MK3s-M5x08.STL, v2-Sensor_Cover_MK3s-M6x1.stl | | PTFE cutter guide(base & cap) | PTFE-cutter-guide-base.stl & PTFE-cutter-guide-cap.stl | | ## Require part | Part name | Link | | |---|---|---| | 1x Shaft Assembly | https://www.bondtech.se/en/product/shaft-assembly | | | 2x Ball Bearing 5x8x2.5 | https://www.bondtech.se/en/product/ballbearing-5x8x2-5/ | | | 1x Motor Gear | https://www.bondtech.se/en/product/motor-gear/ | | | 1x 1.75 / 5.0 Bontech Drivergear kit. | b | No need if you own a MK3 | | 1x Thumbscrew Assembly | https://www.bondtech.se/en/product-category/spare-parts/thumbscrew-assembly/ | Can use a long M3 bolt instead | ## Assemply guide - You will need to use the ptfe cutting guide to cut and file down the ptfe tube. USe a small file or a rotaty tool to file down about 0.5mm the side of the tube. - Other step is the same as on the Bondtech guide. ## Print setting(Prusa slicer) - 0.2mm layer height - No support
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