How to dual extrude with repetier and slic3r and openscad June 02, 2013 04:07PM |
Registered: 10 years ago Posts: 14 |
color ("red") difference() { cube([50,50,2],center=true); cube([15,15,2],center=true); } // F5, then F6 then export as color1.stl
color ("black") intersection() { cube([50,50,2],center=true); cube([15,15,2],center=true); } // F5, then F6 then export as color2.stl
Re: How to dual extrude with repetier and slic3r and openscad June 15, 2013 03:10PM |
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Re: How to dual extrude with repetier and slic3r and openscad June 19, 2013 10:31PM |
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Re: How to dual extrude with repetier and slic3r and openscad June 20, 2013 05:29AM |
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Re: How to dual extrude with repetier and slic3r and openscad June 27, 2013 01:12PM |
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Re: How to dual extrude with repetier and slic3r and openscad June 27, 2013 01:34PM |
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Re: How to dual extrude with repetier and slic3r and openscad June 27, 2013 01:50PM |
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Re: How to dual extrude with repetier and slic3r and openscad June 27, 2013 02:02PM |
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Re: How to dual extrude with repetier and slic3r and openscad September 27, 2013 12:30PM |
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Re: How to dual extrude with repetier and slic3r and openscad March 04, 2015 07:30PM |
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Re: How to dual extrude with repetier and slic3r and openscad July 27, 2015 05:05PM |
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Re: How to dual extrude with repetier and slic3r and openscad October 20, 2015 12:16AM |
Registered: 8 years ago Posts: 8 |
Quote
lister6520
1013 Wrote:
-------------------------------------------------------
> repetier Wrote:
> --------------------------------------------------
> -----
> > Current firmwares do not support this.
> >
> > You could write a little patch to send a M
> Command
> > with the new mixing ratio and move two extruder
> > accordingly.
>
>
> you are talking about adding an M code definition
> in the firmware...correct? and then calling that.
>
> I am thinking of simply wiring up a Y cable for
> the extruder steppers, and just making sure both
> nozzles are on when it runs. The main purpose for
> this is to be able to easily and accuratelly
> measure the extruder offset. But I guess there may
> be easier ways to do that.
I have done that with a simple script to alter the gCode. All I do is replace all occurences of the E parameter with with two identical A and B parameters.
So for instance the line :
G1 X-9.569 Y8.5329 Z1.125 F2527.76044 E147.07352
becomes :
G1 X-9.569 Y8.5329 Z1.125 F2527.76044 A147.07352 B147.07352
Both the extruders then extract the exact same amount of plastic simultaneously - exactly as they would if connected in parallel by a Y-cable.
I recall also manually changing something in the startup code because of some issue but I can't quite remember what it was. I'll see if I can find the script and the sample gCode and post it here.
You of course have to be careful that the object is smaller than the distance between the extruders as otherwise one extruder will plough into the other extruder's print (or at least that there shape allows them to be interleaved, for example repeated wavy lines)
I do not know however with what printers and firmwares it may or may not work as I have only tried it on the only printer I have. It is a Chinese Makerbot-Dual clone with V7 firmware and I compile the X3G files for it with ReplicatorG.
(EDIT: The firmware is V7.3 now but I'm not quite sure what it was when I tried this stunt)