pavel.v8
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Multi-color printing different way

Mon Jun 19, 2017 11:15 am

Hello!

I have somewhat odd wish: i would like to make a three color print: i would use first color for base then i'd print couple of letters on it. Each letter would be different color, but letters will be no more than 3-4 layers high, so that nozzle won't hit already printed parts. Now...i did this already with my ex delta, but on prusa mk2 i have a problem: auto bed leveling.I would make my print with three independent g-codes, of which first one will make bed leveling and start from zero, while others would have to do without bed leveling and start from 1mm height. Simplify3D will allow start and stop height setting, so that is not a problem.

So, the question is: can i drop out bed leveling on second and third print? Are calibrated bed level points remembered until power-off/make a new calibration or not? Will it print OK or "not necesarrily"?

Prusa's ColorPrint feature can do only with one color change on each height, so that's not an option.

OK; i know... i COULD make this (and more) with new multilocor kit, but... you guessed it: i DON'T have it and i can't afford it right now, so it's not an option, so any recommendations would be nice.

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PJR
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Re: Multi-color printing different way

Mon Jun 19, 2017 11:57 am

Yes, if you leave out the G28 and G80 from start GCode, the printer will not home and do the 9-point calibration.

But be very careful with this...

Peter
Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage or loss.

pavel.v8
Posts: 3
Joined: Wed Feb 01, 2017 7:54 am
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Re: Multi-color printing different way

Mon Jun 19, 2017 12:05 pm

That's what i meant to do, yes. But, as you said ("...be very careful with this...") Good that you pointed out about homing problem - ok, i won't turn off printer, but when changing filament Z can move somewhat, so re-homing might be a good idea...

I'm concerned what happens with leveling - does it stay calibrated or not...

I guess i'll have to try and see, right?

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PJR
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Joined: Mon Jun 01, 2015 6:37 am
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Location: Kamnik, Slovenija
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Re: Multi-color printing different way

Mon Jun 19, 2017 1:02 pm

Yes, it will stay levelled. Moving Z will not be a problem as this all X, Y and Z use absolute coordinates.

As long as you don't move things by hand, the printer will know the correct locations.

Peter
Please note: I do not have any affiliation with Prusa Research. Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage or loss.

pavel.v8
Posts: 3
Joined: Wed Feb 01, 2017 7:54 am
Contact: Send private message

Re: Multi-color printing different way

Mon Jun 19, 2017 1:55 pm

Ok, thanks for answers. Wish me luck...

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