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Re: Need a little help understanding the M163 G-code.

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Well I've printed my first test piece and it did not turn out too bad.
It is a simple 3 layer part with red, green and blue. 20 x 20mm sq and 2 mm thick.
Each layer is a solid color without any mixing.

[attachment 91031 Test_Print_01-3.jpg]

[attachment 91032 Test_Print_01-4.jpg]

The second try called for the same size part but with "mixing".
The colors picked for the second part are yellow, cyan and saddle brown.
Yellow = 50% red, 50% green and 0% blue or R=255, G=255, B=0
Cyan = 0% red, 50% green and 50% blue or R=0, G=255, Blue=255
Saddle Brown = 60% red, 30 % green and 20% blue or R=139, G=69, B=19

This test did not work so well.
First my color mixing is off.
Secondly it appears like my second extruder motor is having some type of problem.
When called upon to extrude the color green into the mix, apparently it was unable to
extruded anything. I need to research it.

The M163 commands used for this try were:
; Yellow
M163 S0 P0.5
M163 S1 P0.5
M163 S2 P0.0
M164 S3

; Cyan
M163 S0 P0.0
M163 S1 P0.5
M163 S2 P0.5
M164 S4

; Saddle Brown
M163 S0 P0.6
M163 S1 P0.3
M163 S2 P0.1
M164 S14


[attachment 91033 Test_Print_02-1.jpg]

I will post some more pictures in a day or two, I need to look at the green extruder motor
and figure what is going on with it. I also need to do some reading on color mixing and
how to use the M163 command better.

Your commits are welcome.

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