3mm directdrive extruder - HD -Bowden - special mounting or flat

*Please note = this thing was an experiment , I have since changed to something else,
so this thing is basically discontinued. You are welcome to try it modify it or whatnot.

Direct drive bowden extruder:

• 3mm filiment
• bowden mount
• i3 plywood mount at back on sloped brace
• uses common 608 bearing
• will need 12-13mm 8mm smoothrod piece to mount the bearing
• fits nema 17 stepper motor
• will need the hobbed fitting for the stepper motor for 3mm

• 6x 3mm bolts 18-20mm long + 4x 3mm nuts
  -1x 3mm - 30-40mm long
  -1x 3mm washer
  -1x tough small spring

• Directdrive-3mm-extruder-HD-v1.3 added , v1.2 has slicer errors
• included the flat mounting version.
• v1.5 bearing holder has more adjustment,
  but will need a bolt : 3mm x 40-50mm
  printed ok, assembled ok , everything fits ok.
• did some testing and it has good pushing power.