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by gwhite
Mon Jul 26, 2021 12:17 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

I'll find out. Extra restart distance is VERY sensitive, but a value of -0.05 shouldn't break anything. It does improve the quality of seams noticeably if you have something fussy, but if you use it, you should do a careful test to find the right value. I have a 9 process file that runs a 3 x 3 grid...
by gwhite
Mon Jul 26, 2021 9:25 am
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Your process is definitely simplified considerably from mine. I've spent a lot of time over the years making adjustments to deal with various print quality issues. The changes have accumulated over the years, and I could easily have slowly waltzed off into the weeds, or to the point where I stumbled...
by gwhite
Sun Jul 25, 2021 9:17 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

The attached factory file was used to print the part in the attached image. Please load and print without changing anything and see if you gaps are gone. I would consider this part perfectly acceptable, this is FFF and it is far from perfect. The more we try and make it so the more issues we create...
by gwhite
Sun Jul 25, 2021 7:57 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Very interesting. Were there other places on the 1st layer where retractions / immediate restarts occurred to compare with? And you have 0.2mm of "retraction vertical lift" enabled. Can imagine if the printer had a sticky Z axis /backlash it might not come down again as promptly as the Z axis movem...
by gwhite
Sun Jul 25, 2021 7:02 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

The attached factory file was used to print the part in the attached image. Please load and print without changing anything and see if you gaps are gone. I would consider this part perfectly acceptable, this is FFF and it is far from perfect. The more we try and make it so the more issues we create...
by gwhite
Sun Jul 25, 2021 7:00 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Very interesting. Were there other places on the 1st layer where retractions / immediate restarts occurred to compare with? And you have 0.2mm of "retraction vertical lift" enabled. Can imagine if the printer had a sticky Z axis /backlash it might not come down again as promptly as the Z axis movem...
by gwhite
Sun Jul 25, 2021 6:59 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Just a quick note: Apparently Version 4.0 has no trouble loading a file saved in 4.1. I closed 4.1, and opened 4.0, and it immediately loaded the file I had just been working with. I've got the G-code on an SD card, and will run a print as soon as the machine is available. Just got the print finish...
by gwhite
Sun Jul 25, 2021 3:01 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Just a quick note: Apparently Version 4.0 has no trouble loading a file saved in 4.1. I closed 4.1, and opened 4.0, and it immediately loaded the file I had just been working with. I've got the G-code on an SD card, and will run a print as soon as the machine is available.
by gwhite
Sun Jul 25, 2021 2:53 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Thanks! I don't think getting the first layer down is the issue, but I went to take a picture of the bottom, and I made a discovery (or two...). Here's what the bottom of the print looks like: Gaps Viewed From Below.jpg The filament looks like it's sticking down OK, but what I noticed is that the un...
by gwhite
Sun Jul 25, 2021 1:25 pm
Forum: Troubleshooting and Bug Reports
Topic: Gaps in Perimeters (Again)
Replies: 40
Views: 30231

Re: Gaps in Perimeters (Again)

Assume that you are delighted with the build surface and have tried on different areas of bed. Would definitely try stepping down 0.05mm at start of print to ensure a bit of elephant's foot and that everything is properly squished. If the slicer is really in line of fire then how about checking the...

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