ReDuplicator i3 MK3x - E3D Hemera Mount with Bltouch and Filament Sensor

thingiverse

Here is a step-by-step guide based on your text: **Hemera Assembly Guide** **Step 1: Mount the Hemera Core** * Follow the [Hemera core and direct assembly guides](https://e3d-online.dozuki.com/c/Hemera_Assembly_Guides) * Mount the Hemera to the plate with the provided 4 bolts * Re-terminate all wires for easier maintenance and swapping of the hotend assembly **Step 2: Assemble the Carriage** * Slide the carriage onto the X axis * Insert the 3 bearings into the bearing slots * Use 20-25mm M3 screws and nylocks to secure the bearings, but avoid over-tightening * Ensure even pressure on the bearings and smooth carriage movement **Step 3: Assemble the Fan Mount** * Connect the fan mount to the fan shroud with a 10mm M3 bolt and Nylock * Attach the 50mm blower fan with a 30mm M4, Nylock, and soft washer (to reduce vibrating fan noise) * Connect the cooling fan duct to the carriage with 2x 8-10mm m3 screws into the bottom most mounting holes **Step 4: Install the X Axis Belt** * Follow the same procedure as the Prusa MK3s for installing the X axis belt * Loosen and rotate the X axis motor inwards, then push the belt into the slots with a flathead screwdriver * Rotate the motor back and tension the belt **Step 5: Assemble the Bltouch Mount** * Connect the Bltouch mount to the motor with 4x 8mm countersunk screws * Attach the Bltouch to the mount with 2x 10mm M3 screws **Step 6: Connect Wiring and Chain** * Connect all wiring and the wiring chain with 2x 8mm countersunk M3 screws **Step 7: Connect Endstop** * Attach the endstop to the bottom of the X axis idler pulley with 2x 8mm M2 screws * Use the mounting holes that get the nozzle closest to the corner of the heatbed without overhanging it **Software Changes** * Calibrate your Z-offset value before use * Run a PID tune and update your esteps as outlined in the E3D instructions * Update Marlin configuration with Probe Offset values: + `#define X_PROBE_OFFSET_FROM_EXTRUDER 31` + `#define Y_PROBE_OFFSET_FROM_EXTRUDER -39` **Testing and Updates** * A prototype MK3s filament sensor is available for testing via github * A Pinda2 probe mount is on the way **Changelog** * 1.0 initial Release * 1.01 added the missing Bltouch mount * 1.1 Improved X carriage converted to F360 design, Mk3s R4 fan shroud update, cleaned up and drastically improved airflow