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RickSeiden
(@rickseiden)
Trusted Member
Slicing Weirdness

I have a model that has a few different filaments on the first few layers, then only one filament to finish off the last few layers of the print. Basically layers 1-3 have three different colors of PLA, and layers 4-19 only have one of the filaments used on 1-3.

When I slice it, the purge block ends at the end of the fourth layer, then on layer 19 there are two lines of the filament that was used in layers 4-19.

I've attached a screenshot of this.  I don't think it's going to have any impact on the print, but it's kind of strange that the slicer adds those two lines.

I don't want a fix or anything, I'm just bringing it up out of interest.  Do you think this is something I should open an issue on github for?

RUcj

 

Posted : 11/04/2022 11:18 pm
BaconFase
(@baconfase)
Eminent Member
RE: Slicing Weirdness

That's just the final mid air purge at the end of a print before retracting the filament back into the MMU. 100% normal

Posted : 11/04/2022 11:31 pm
RickSeiden
(@rickseiden)
Trusted Member
Topic starter answered:
RE: Slicing Weirdness

 

Posted by: @baconfase

That's just the final mid air purge at the end of a print before retracting the filament back into the MMU. 100% normal

I'm not sure if that should be enclosed in <sarcasm> tags or not.

Posted : 11/04/2022 11:44 pm
BaconFase
(@baconfase)
Eminent Member
RE: Slicing Weirdness

Unless I'm misunderstanding your post which is just wondering about the two floating filament lines, I am completely serious. Unless I've been doing in wrong the past few years, my MMU prints always end like that. It's just not as noticeable when the purgeblock goes all the way up rather than stopping so far below.

Posted : 12/04/2022 4:53 pm
RickSeiden
(@rickseiden)
Trusted Member
Topic starter answered:
RE: Slicing Weirdness

 

Posted by: @baconfase

Unless I've been doing in wrong the past few years, my MMU prints always end like that.

I guess this is just one more thing that I don't understand about the MMU.  For example, if there is no filament in the tube to the extruder, why does it have to heat up the hot end before it unloads filament? (I know that if there's no filament in the tube, you don't need to do an unload, but when you're learning, you make mistakes.)

Thanks!

Posted : 12/04/2022 5:11 pm
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