Paste extruder to suit XChange

prusaprinters

An open source paste extruder, designed to suit the XChange tool plate from printermods.com, but can be mounted on any machine using a square 31mm pattern. Uses a cheap, easy to find 80ml syringe: https://www.supercheapauto.com.au/p/orcon-orcon-2-stroke-oil-mixing-syringe---80ml/215731.html Inspired by but using no geometry from the PiuLabs paste extruder: https://www.thingiverse.com/thing:482873 Companion video: https://youtu.be/E6TGv0fRg-w Source CAD: https://cad.onshape.com/documents/3b5a80596de48270a5d9bb2e/w/c01718663028b25f6ec8d557/e/6fb7d65ce70668da0eff00b9 Right click on the parts in the lower left to export in whatever format you like. Print Settings Printer Brand: Creality Printer: Ender 3 Pro Rafts: No Supports: No Resolution: 0.2 Infill: 40 Filament: X3D PLA Black Notes: No support required. Three single layer sacrificial walls need to be drilled through as shown in video. Hardware list: M3 locknut x 10 M3 x 50mm x 3 M3 x 35mm x 3 M3 x 12mm x 7 (must be cap head for clearance) M3 x 10mm x 5 (must be cap head for clearance) M3 x 6mm x 2 (must be cap head for clearance) M3 grubscrew x 2 8mm leadscrew and nut, approx 170-200mm in length 608 skateboard bearing x 2 680 ohm resistor (or close) to act as a dummy thermistor. Machine screw reference: https://store.curiousinventor.com/wp-content/uploads/2019/09/machine_screws3.jpg Assembly instructions in accompanying video. Category: 3D Printer Extruders