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Brandon Heller shows his experience in printing with Kossel powered by BeagleBone Black, BeBoPr cape and MachineKit. Reliability is 100% now with some minor functionality missing.




Source:

https://www.youtube.com/user/bdh4?feature=watch



http://elinux.org/Beagleboard:BeBoPr_Cape

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).

https://github.com/jcrocholl/kossel

http://reprap.org/wiki/Kossel

http://deltabot.tumblr.com/

Build manual:

http://www.builda3dprinter.eu/build-manuals/kossel_mini/

Here is the demonstration of the autolevel feature:

http://diy3dprinting.blogspot.com/2013/05/automatic-bed-leveling-on-mini-kossel.html
http://diy3dprinting.blogspot.com/2013/06/mini-kossel-prints-on-unheated-glass.html

Video by:
http://www.youtube.com/user/jcrocholl?feature=watch

Nexus 4 Wireless Charging Orb Cradle by pixil3d: http://www.thingiverse.com/thing:89762