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first layer of support for multi filament support oddly spaced #1445

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Mirarkitty opened this issue Nov 30, 2018 · 8 comments
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first layer of support for multi filament support oddly spaced #1445

Mirarkitty opened this issue Nov 30, 2018 · 8 comments
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@Mirarkitty
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Version

Slic3r PE 1.41.2

Operating system type + version

Linux

Behavior

  • Using Slic3r with MMU2 with PET and PVA+, contact z distance 0 to turn on MMU2 soluble support
  • support base turns very stringy; not solid

image

  • since PET and PVA+ have stickiness issues, this makes it 100% likely that it will unravel this when doing layer 2.

I have no idea why the first layer turns out like this. It's useless and there's no option of making a solid layer. Pattern distance settings have no impact.
@FidelCapo
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Can you please export and send me 3MF file with this issue? Thank you.

@Mirarkitty
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http://www.mirar.org/graces.3mf

@Mirarkitty
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image
Even with solid support (distance=0) it makes that weird first layer.

@FidelCapo
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Spacing distance of soluble supports in first layer is hardcoded in slic3r and can not be changed by user. We plan to increase this value from 50% to 75% in future. I think #1165 is a very similar issue.

@Mirarkitty
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Can you please make it configurable? I want it at 0 for a solid base, just like normal supports.

@Kraligor
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Can you please make it configurable? I want it at 0 for a solid base, just like normal supports.

This. Slic3r is full of options already, and users love it for exactly that fact. Randomly choosing settings to be non-configurable is just weird, especially when they seem to restrict Slic3r's versatility.

@totalitarian
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Agreed, we need to be able to set solid supports. I end up having to use a raft as a workaround :(

@nordurljosahvida nordurljosahvida mentioned this issue Dec 30, 2019
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bubnikv added a commit that referenced this issue Feb 24, 2021
@bubnikv
Added a single perimeter to the first layer of support or raft.
fcb714c 
Fixes [Request] Add optional perimeter to raft #756
Fixes First support layer does not stick to bed #2101

New parameters raft_first_layer_density and raft_first_layer_expansion
to influence the 1st layer of raft or support.
Fixes Allow to disable raft under support structures. #3772
Fixes raft is larger than necessary #2568
Fixes Supports on the build plate should have a solid bottom interface for better adhesion #1165

Changed the 1st layer infill to rectilinear even for soluble materials.
Fixes first layer of support for multi filament support oddly spaced #1445
Fixes Full Soluble Materials interfacing into Models + Soluble material noise on Bed #684
@bubnikv
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Fixed with fcb714c

Changed the 1st layer infill to rectilinear even for soluble materials.
New parameters raft_first_layer_density and raft_first_layer_expansion
to influence the 1st layer of raft or support.

@bubnikv bubnikv mentioned this issue Feb 24, 2021
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@bubnikv bubnikv mentioned this issue Aug 6, 2021
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5 participants
@Kraligor @totalitarian @Mirarkitty @bubnikv @FidelCapo