### FYSETC 3D Printer Cleaner Tool Copper Wire Toothbrush Copper Brush Handle for Hotend Cleaning Nozzle Heater Block Hot Bed Parts ### About the Product： 1. **Name:** Chuangxiang Hot Machine Nozzle Cleaning Brush Kit 2. **Available models tested:** ender-3, ender-3 pro, ender-3 max, ender-3 V2, CR6SE, CR10S 3. **Features:** A set of prints is compatible with multiple machines, simple and convenient to install, and can effectively remove consumable filaments remaining in the nozzle 4. **Print link:** https://www.thingiverse.com/thing:5025867 5. **Operation method:** Break through the limitation of the machine stroke by modifying the slice software script. Take Ender-3 as an example, add the following code before the slice 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 extension distance` - `G1 X105 E15 F600; draw prime line` - `G92 E0; reset extension distance` - `G1 X145 F5000; quick wipe` 6. **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. 7. **Other:** Demo video https://youtu.be/Lfary-R6Yzk