Dec 31, 2013

Mini Kossel Delta configuration DIY 3d printer

Kossel design and Mini Kosseel are often around, for some reason I forgot to make a post about it. So here it is ...

Design Goals from the Kossel page:
  • Zero backlash.
  • type: Delta printer
  • Speed: 320 mm/s in all 3 directions.
  • Resolution: 100 steps/mm in all 3 directions.
  • Repeatability: better than 0.03 mm (30 micron)
  • Build volume: cylindrical, 170mm diameter, 240mm height.
  • Footprint: triangle, 300 mm width (240mm OpenBeam + printed corners).
  • Frame height: 600 mm.
  • Print surface: unheated round glass, doesn't move.
  • Mass of end effector with hotend: less than 50 grams.
  • Simplicity: fewer than 200 parts.
  • Hardware cost: less than $600 USD.
  • Fully automatic print surface level calibration (autoleveling).

Build manual:

Here is the demonstration of the autolevel feature: