Rock / Print Tumbler

by bluepop4 Mar 14, 2017
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Hi. Nice design - thx for sharing. Can you pls indicate the exact model/type of motor you have used (12V DC 100RPM motor/gearbox with centric output shaft)? I had ordered a motor, but it is much too small and I am looking for the exact dimensions of the one you used. Thx in advance.

I am finding that in Slic3r the g-code for gt2-pulley-31t is being generated with a z of 0.6 resulting as you might imagine with a failed prints. Everything else starts at the expected height of 0.2

I assume that this is caused by the stl file, any ideas on what I might need to clean up?

The g-cdoe looks as follows
; generated by Slic3r Prusa Edition 1.38.6-prusa3d-win64 on 2018-03-30 at 11:52:05


; external perimeters extrusion width = 0.45mm
; perimeters extrusion width = 0.45mm
; infill extrusion width = 0.45mm
; solid infill extrusion width = 0.45mm
; top infill extrusion width = 0.40mm
; first layer extrusion width = 0.42mm

M115 U3.1.0 ; tell printer latest fw version
M83 ; extruder relative mode
M104 S215 ; set extruder temp
M140 S60 ; set bed temp
M190 S60 ; wait for bed temp
M109 S215 ; wait for extruder temp
G28 W ; home all without mesh bed level
G80 ; mesh bed leveling
G1 Y-3.0 F1000.0 ; go outside print area
G92 E0.0
G1 X60.0 E9.0 F1000.0 ; intro line
G1 X100.0 E12.5 F1000.0 ; intro line
G92 E0.0
M900 K30; Filament gcode
G21 ; set units to millimeters
G90 ; use absolute coordinates
M83 ; use relative distances for extrusion

G1 E-1.00000 F3600.00000
G1 Z0.600 F7200.000
G1 Z0.600 F7200.000

Do you know if the gears from the original design will fit with your spacing?

i have not tried it, but they should fit. I believe there is enough slip in the motor mount to account for the gears.

Hi there, awesome looking tumbler would like to print and build but my electronics skills are poor, would there be any chance in wiring schematic?

It's simple.
Negative from the power supply goes to the motor.
Positive from the power supply goes to the normally open toggle switch
The other normally open part of the toggle switch goes to the other lead on the motor.