Ender 3 - compact Hemera mount plate with BLTouch

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Compact mount plate for mounting the Hemera Extruder to an Ender-3 carriage.  UPDATE 2020-03-19: Uploaded v3 based on comments from Ronny Vedå. Base plate is .5 mm thicker and the Hemera mount holes are a bit wider. I initially mounted my Hemera Extruder using Joe Cashas mount plate (https://www.myminifactory.com/object/3d-print-ender-3-e3d-hemera-mount-105802), but found it a bit to wobbly because the motor part was placed to the right of the Ender mount plate and only fastened in three places. So I designed this instead. Tolerances are quite tight so your printer needs to be dialed in well. Besides the stock parts, you need 4 M3x6 bolts and 4 M5 washers.  Instructions: Take apart the existing hotend and x carriage. Remove the three wheels from the carriage.  Add the 3 M5 nylock bolts to the matching holes on the plate. Mount the Hemera to the plate using the M3x6 bolts Press the metal carriage into the two holes on the mount plate. Prepare the three bolts:Add two washers, a wheel and a metal spacer to each of the two bolts for the top wheels.Add the original washer, a wheel and the eccentric nut to the bolt for the bottom wheel. Hold the extruder and carriage up to the printer, and mount the 3 wheels to the carriage.  Adjust the eccentric nut until the cariage does not wobble but moves freely. Attach BLTouch and fan. I use this fan duct: https://www.thingiverse.com/thing:4042492 Marlin firmware changes (on my machine - yours may need other values!): #define NOZZLETOPROBEOFFSET { 64, 0, -1.00 }#define XBEDSIZE 235#define YBEDSIZE 225 #define XMINPOS -18#define YMIN_POS -12

Author:
Aaen

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