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Torn edge (only on one place) on circle

Posted by vedran

vedran

Torn edge (only on one place) on circle
April 20, 2012 10:23AM

Registered: 13 years ago
Posts: 14

I'm calibrating machine and testing results with SFACT.
I have printed battery holder to test height issues but I have found strange issue (please see pic) with single point on circle edge.
Any tips ?

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vedran

Re: Torn edge (only on one place) on circle
April 20, 2012 10:26AM

Registered: 13 years ago
Posts: 14

Pic :

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Attachments:
open | download - torn2.jpg (89.6 KB)

DeuxVis

Re: Torn edge (only on one place) on circle
April 20, 2012 10:45AM

Admin
Registered: 13 years ago
Posts: 2,569

That might be an artefact generated by the "Clip" module of skeinforge.

I have no idea if SFACT (which is an interface around skeinforge AFAIK) will let you turn that module off to confirm my idea.

Maybe try Slic3r (for ease of use and fast learning) or skeinforge (for full features and long learning curve) instead ?

Most of my technical comments should be correct, but is THIS one ?
Anyway, as a rule of thumb, always double check what people write.

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Buback

Re: Torn edge (only on one place) on circle
April 20, 2012 11:30AM

Registered: 14 years ago
Posts: 601

it defiantly looks like a seam caused by the extruder making the same movements on each layer. try enabeling the jitter plugin, which will move the end of the path around on each layer. you'll still have a bump probably, but it will be distributed around the model instead of all in a line like that.

*edit* i've never used sfact so am not sure if it has the jitter plugin, but skeinforge does.

Edited 2 time(s). Last edit at 04/20/2012 11:31AM by Buback.

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vedran

Re: Torn edge (only on one place) on circle
April 20, 2012 11:59AM

Registered: 13 years ago
Posts: 14

Thank you for tips. Will try tonight smiling smiley

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Karl_Williams

Re: Torn edge (only on one place) on circle
April 21, 2012 09:33AM

Registered: 13 years ago
Posts: 53

I was getting the same thing on my prints until I increased the speed of the z-axis.

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bdcannon

Re: Torn edge (only on one place) on circle
April 23, 2012 02:11AM

Registered: 13 years ago
Posts: 81

I was having the same problem on lots of my prints and it was driving me crazy, especially when I was trying to print pulleys. I noticed that the "tear" was in the direction where the print head was moving from object to object. So, I added the lift, just a small amount, .15 mm, and it lessened it greatly.

Hopefully this helps.

bdc
~Stay Calm Out There