FYSETC 3D Printer Cleaner Tool Copper Wire Toothbrush Copper Brush Handle for Hotend Cleaning Nozzle Heater Block Hot Bed Parts 1. Available models tested: ender-3, ender-3 pro, ender-3 max, ender-3 V2, CR6SE, CR10S 2. Features: A set of prints is compatible with a variety of machines, easy to install, and can effectively remove the residual filaments from the nozzles 3. Print link: https://www.thingiverse.com/thing:5025867 4. Operation method: Break through the limit of the machine stroke by modifying the slicing software script. Taking Ender-3 as an example, add the following code before the slicing start script: M211 S0 ; disable travel limits G28 ; home all axes G1 Z2 F2000 ; go down G1 Y2 F9000 G1 X245 G1 X230 F3000 G1 X245 G1 X230 G1 X245 M211 S1 ; enable travel limits G1 X30 Y2 F9000 ; go to front G1 Z0.2 F3000 ; get ready to prime G92 E0 ; reset extrusion distance G1 X105 E15 F600 ; draw prime line G92 E0 ; reset extrusion distance G1 X145 F5000 ; quick wipe 5. Points to note: Different machines need to be modified by the customer to limit the X-axis limit distance and the Z-axis lift height when inserting the nozzle. 6. Others: demo video https://youtu.be/Lfary-R6Yzk