Bondtech BMG Upgrade MK3S FDM printable new sensor integrated
Description
This is a remix of the Original Bondtech BMG Upgrade extruder to integrate the new MK3S filament sensor. I did also some modifications to be friendly printable with FDM printer. It has 4 point screws to install the stepper motor instead of 3 like the original from Bondtech (edit: restored 3 point screws) I included n°2 versions of the sensor's cover to use with PC4-M6 or PC4-M10. This design include the Bear X_carriage modified, for more info look at https://github.com/gregsaun/bear_extruder_and_x_axis/tree/master/optional_parts/bondtech_x_carriage For the Zaribo X-carrige you have to use this : https://www.thingiverse.com/thing:3472470 This is the BOM list for the internal part: 1x Prusa MK3 to MK3S upgrade https://shop.prusa3d.com/en/printer-upgrades/898-original-prusa-i3-mk3-to-mk3s-upgrade-kit.html 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 3X32 mm Shaft https://www.bondtech.se/en/product/shafts/ 1x Thread insert https://www.bondtech.se/en/product/thread-inserts/ 1x Thumbscrew Assembly https://www.bondtech.se/en/product-category/spare-parts/thumbscrew-assembly/ 1x 1.75 / 5.0 Bontech Drivergear kit. (No need if you own a MK3) 1x pancake motor with at least 16N.cm https://zaribo.com/stepper-motors/126-zaribo-pancake-motor-by-ldo.html Thanks to Bondtech AB, Grégoire Saunier and all team who developed this great extruder!! Mixed from the original extruder design: https://github.com/BondtechAB and for the X carriage from: https://github.com/gregsaun UPDATE 1 05/03/19 ******* I added a version of the extruder body with a square nut instead of the M3 threaded insert , if you choose to print this version you have to use in combination with "Hinge with 2 mm recession". Added Step files. UPDATE 2 05/03/19 ******* new sensor cover, please print this version, in the previous i missed the hole for the screw of sensor, sorry!! UPDATE 3 20/03/19 ******* corrected the filament path after the sensor. (thanks to Gabe Condrea). UPDATE 23/03/19 ****** some minor changes on the extruder path and the filament sensor section. Added file lever.stl instead to download from my .step file UPDATE 14/04/19 ****** Removed the fourth hole screw because it was unusable without special screw. UPDATE 16/05/19 ****** Added the "Square method" in some part where the holes are printed in vertical without support. Thanks to "curt_darius".
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