CL260 BLTouch Holder

thingiverse

This is a BLTouch holder I've designed for my CL260 UM clone, but it should be suitable for any 3D printer. The holder has a guide for tuning height using a small tuning cube with a hole in the center. The cube stands at 8.2 mm tall. To learn more about mounting and tuning cube usage, check out the pictures. I printed this holder in ABS with 50% infill and a layer thickness of 0.2mm. Print Settings Printer: CL260 Rafts: No Supports: Doesn't Matter Resolution: 0.2 Infill: 50% Post-Printing Marlin Firmware for CL260 When configuring the firmware, these parameters are crucial: Set Z_MIN_ENDSTOP_INVERTING to false, as most setups use this configuration. Set Z_MIN_PROBE_ENDSTOP_INVERTING to false, and set it to true if you want to invert the logic of the endstop. You'll also need to define the following: Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN AUTO_BED_LEVELING_FEATURE (delete the comment to enable) Z_MIN_PROBE_REPEATABILITY_TEST (if not commented out, this test will be included when Auto Bed Leveling is enabled) AUTO_BED_LEVELING_GRID LEFT_PROBE_BED_POSITION 5 RIGHT_PROBE_BED_POSITION 190 FRONT_PROBE_BED_POSITION 20 BACK_PROBE_BED_POSITION 215 I'm using a 3 x 3 grid, so define AUTO_BED_LEVELING_GRID_POINTS 3. Finally: X_PROBE_OFFSET_FROM_EXTRUDER -23 (X offset: left or right of the nozzle) Y_PROBE_OFFSET_FROM_EXTRUDER 20 (Y offset: front or behind the nozzle) Z_PROBE_OFFSET_FROM_EXTRUDER -1.0 (Z offset: below or above the nozzle) Pay close attention to Z_PROBE_OFFSET_FROM_EXTRUDER, as you should measure this value after leveling the bed with the command G29. Note that the Z min endstop will not function normally, so don't home the Z axis. After calibration, I usually do this: G28 X0 Y0 G29 G1 Z0 for homing the Z axis. Custom Section Firmware repository I've uploaded a customized Marlin firmware (V1.1.0 RC6) to bitbucket for CL260 + BLTouch + Full Graphic LCD. https://bitbucket.org/effebal/cl260-bltouch-version-marlin-1.1.0-rc6 If you want to use this firmware with the original LCD, you'll need to modify the lcd section in the configuration.h file.