Unwired Mini Kossel
By lkarlslund
Free
It's free to download
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Technical
SCREWS
~25 x 6mm M3 hex cap screws
~100 x 10mm M3 hex cap screws
~50 x 20mm M3 hex cap screws
~6 x 35mm M3 hex cap screws
~10 x M3 nuts
(I'd recommend just getting 100 of each, I've probably used more)
FRAME
9 x 240MM 2020 extrusions
3 x 620MM 2020 extrusions
100 x T-slot 3mm inserts (it's going to be a b*tch to assemble with M3 nuts)
45 x 10mm M3 hex cap screws
LINEAR MOTION
6 x F623ZZ flange bearings (3x10x4mm)
3 x 20mm M3 hex cap screws
3 x M3 nuts
3 x NEMA17 stepper motors
3 x MGN12 12mm miniature linear rail slide 400mm rail
3 x MGN12H carriage
24 x 6mm M3 hex cap screws
5m GT2 belt
3 x 16 teeth GT2 pulley for NEMA17 steppers
3 x micro switches 20x10x4mm (epoxy glued on)
EFFECTOR
1 x E3D hot end V5 or V6 for 1.75mm bowden extrusion
12 x 20mm M3 screws
6 x M3 nuts
1 x 240mm Mini Kossel carbon fibre Traxxas arms kit (3 arms, 12 Traxxas rod ends, 12 4mm screws, glue etc).
3 x rubber bands for stiffening up the Traxxas rod ends
1 x 30mm fan 12V (10mm thickness, for cooling hot end)
EXTRUDER
1 x NEMA17 stepper motors
1 x 600mm 4OD 2ID PFTE tubing (bowden tube)
1 x pneumatic push connector 4mm to M5 (for extruder)
5 x 16mm M3 hex cap screws
1 x 12mm M3 hex cap screws
BUILD PLATFORM
3 x 15-20mm stiff spring
1 x 180mm borosilicate glass plate
1 x 180mm silicone heater pad
1 x 180mm foam pad (ca. 8 mm thickness)
1 x 180mm stiff heat resistant material
1-2 x rubber bands
3 x 6mm M3 hex cap screws
3 x 35mm M3 hex cap screws
SPOOL HOLDER
2 x 608ZZ bearings
1 x 15-20cm M6 threaded rod
RAMPS 1.4 KIT OR SIMILAR
Arduino Mega 2560
Ramps 1.4 board
4 x stepper drivers
POWERSUPPLY 12V
I used an Xbox 360 PSU I had, it's 175W and can do stand-by via PS_ON connector
ALSO
Soldering iron / multimeter
Unbraco set with rounded heads (otherwise some parts are impossible to assemble)
3D printer for parts you see here
Dupont connectors and crimping tools for reliable connections
Patience / lots of spare time
Free