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Success: Dremel IdeaBuilder 3D20 with slic3r under Linux

Posted by fhwedel-hoe 
Success: Dremel IdeaBuilder 3D20 with slic3r under Linux
August 30, 2017 06:46AM
Hi Everyone

I am taking care of a "Dremel IdeaBuilder 3D20" 3D Printer. I use it in an environment which prefers Linux. The original "Dremel 3D Printer Control Software" is available for Linux, but the configuration options are rather limited. Also, it often crashes on me. So I took the task of feeding code generated by slic3r to this particular printer. In order to find the right settings, you need to know that the Dremel 3D20 is actually a re-branded FlashForge Dreamer. I found these slic3r options to produce prints of good quality:

Printer Settings
MakerWare (MakerBot) dialect
228x150 size
114,75 position
0.4 nozzle (from drucktipps3d.de)
1.75 filament (taken from the filament packaging)
0mm Z offset

Print Settings
0.2 layer height (matches Dremel default)

Filament Settings
1.0 extrusion multiplier

Print Start Code
M104 S[first_layer_temperature] ; switch on temperature (slic3r)
G28 ; home all axes
G1 Z5 F5000 ; lift nozzle
M6 T0 ; auto-feed? (dremel)
M106 ; switch on fan (dremel)
M108 T0 ; set extruder speed (dremel)
M109 S[first_layer_temperature] ; wait for temperature
M116 ; wait for all temperatures (unused, but just to be sure)

Print End Code
M107 ; switch off fan
M104 S0 ; turn off temperature
G1 Z140 F3300 ; lower table
G28 X0 Y0 ; home X and Y
M18 ; disable steppers
M84 ; disable motors (slic3r)

slic3r produces standard G-code. The Dremel 3D20 understands but only if wrapped in a proprietary file format, which is abbreviated with g3drem. Dr. Peter Falkingham found out you can "transplant" the binary header of an existing g3drem file onto arbitrary G-code. I wrote a script "gcode2g3drem" that can post-process slic3r output (needs to be invoked manually). I have been unable to determine what settings are stored in the header, though. That's why the printer always estimates the print process to take 6 minutes.

I hope you may find this useful, too.
Re: Success: Dremel IdeaBuilder 3D20 with slic3r under Linux
September 03, 2017 02:28PM

I hope you may find this useful
Not just useful, I think it's awesome!!!

I'm helping out the library with it's 3D20 printer, being used to open source printers, I wasn't really enjoying it's limited software, and want unable to take into consideration adjustments for third party filaments.

So I will put into practice your discoverings ASAP, even looking into add slic3r support.

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