Anet A8 Purge Bucket

thingiverse

Hi Makers ! Recently, I've ordered a dual-color 3D printer upgrade kit from AliExpress (https://www.aliexpress.com/item/3D-printer-E3DV6-Cyclops-dualhead-upgrade-kit-2WAY-in-1WAY-out-TL-Feeder-Prusa-bowden-splitter/32770576556.html?spm=2114.search0204.3.164.78d110d6hlK9pW&ws_ab_test=searchweb0_0,searchweb201602_8_10065_10068_319_317_10696_10084_453_10083_454_10618_10304_10307_10820_10821_537_10302_536_10843_10059_10884_10887_321_322_10103,searchweb201603_60,ppcSwitch_0&algo_expid=a762445b-3a1b-4537-9f08-208a400e22ae-21&algo_pvid=a762445b-3a1b-4537-9f08-208a400e22ae&transAbTest=ae803_3). Unfortunately, this kit requires a purge tower for every dual-color print. To fix this problem, I designed a purge bucket that speeds up printing and reduces filament waste. To upgrade your 3D printer, you'll need the part from Thingiverse (https://www.thingiverse.com/thing:2445884) and another one. Before using the purge bucket, it's recommended to apply tape on the part to prevent smelting. You can see a picture of this process. To use the purge bucket, simply add a custom G-Code script in Simplify3D under "Tool Changing Script": ;; Start custom tool change script M211 S0; G91 ; Switch from absolute positioning to relative positioning G1 Z1 F1000 ; Lift nozzle by 1 mm in relative positioning mode G90 ; Return to absolute positioning G92 E0 ; Reset extrusion distance (needed for following steps) G1 E-7 F1800 ; Retract filament by 5+7=12mm at 30 mm/s (1800 mm/min) on old tool G1 X236 F6000 ; Go to X=-9.5 at 100 mm/sec G92 E0 ; Reset again extrusion distance on old tool {IF NEWTOOL=1}T1 ; Activate tool 1 {IF NEWTOOL=0}T0 ; Activate tool 0 G92 E0 ; Reset extrusion distance on new tool G1 E51 F180 ; Extrude x mm of filament at 3 mm/s on new tool G92 E0 ; Reset extrusion distance on new tool G1 E-10 F1800 ; Retract filament by 5 mm at 30 mm/s G1 X[current_position_x] Y[current_position_y] F6000 ; Move to next position on print at 100 mm/s G91 ; Switch from absolute positioning to relative positioning G1 Z-1 F1000 ; Move down nozzle by 1 mm in relative positioning mode G90 ; Return to absolute positioning M211 S1 ;; End custom tool change script That's it! I recommend printing the part horizontally to prevent waste with support. Happy Printing !