xnaron
Posts: 4
Joined: Fri Mar 28, 2014 10:04 pm

Squiggly interior wall in front of inside perimeter on 3dBenchy

Wed Oct 14, 2020 1:05 pm

What cases this squiggly wall on the 3dbenchy. Infill is set to 0%. See attached profile.

Screenshot 2020-10-14 110225.jpg
Attachments
Office Delta PLA + TEST.fff
(12.01 KiB) Downloaded 3 times

S3D-Jake
Posts: 872
Joined: Wed Jun 20, 2018 12:45 pm

Re: Squiggly interior wall in front of inside perimeter on 3dBenchy

Wed Oct 14, 2020 3:28 pm

Can you please attach your factory file (Save Factory File As...)?
"A bird does not sing because it has an answer. It sings because it has a song."

xnaron
Posts: 4
Joined: Fri Mar 28, 2014 10:04 pm

Re: Squiggly interior wall in front of inside perimeter on 3dBenchy

Wed Oct 14, 2020 10:11 pm

It won't let me it says file too large. 4,407 KB is the size.


parallyze
Posts: 193
Joined: Fri Jun 05, 2015 4:18 am

Re: Squiggly interior wall in front of inside perimeter on 3dBenchy

Thu Oct 15, 2020 6:28 am

xnaron wrote:
Wed Oct 14, 2020 10:16 pm
I put it on my google drive
xnaron wrote: What cases this squiggly wall on the 3dbenchy. Infill is set to 0%. See attached profile.
For some reason S3D is adding some infill for top/bottom layers on the inside of overhangs pretty fast.

You can change the amount of top/bottom layers and/or extrusion width/perimeter count to see some differences:
squiggly.JPG
squiggly_2.JPG
There's so many perimeters and so much overlap, I wonder why those parts of solid infill need to be there. On some
objects this can add a lot of print time without real benefits... :(

parallyze
Posts: 193
Joined: Fri Jun 05, 2015 4:18 am

Re: Squiggly interior wall in front of inside perimeter on 3dBenchy

Thu Oct 15, 2020 6:40 am

FWIW, this was also different in previous versions of S3D (<4.1):

Factory file from xnaron in S3D v4.0:
squiggly_3.JPG

Same file/settings in S3D v4.1.2:
squiggly_5.JPG

Reducing bottom layers from 5 down to 3 avoids this in 4.0 (v4.1.2 needs bottom layers set to 1):
squiggly_4.JPG

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