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Vacuum printing of a curved part  

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guillaume.d2
(@guillaume-d2)
Active Member
Vacuum printing of a curved part

I can not correctly print the curved parts: the support material is not generated over the entire height and the result is bad because printing is done in a vacuum. Is my Slic3r setting bad?

Posted : 30/08/2017 11:17 am
AJS
 AJS
(@ajs)
Noble Member
Re: Vacuum printing of a curved part

The printer should be able to easily accomplish 45deg sloped walls, so the only issue is early in that curve (where Support material was added.

It seems that slope is a very thin wall (one layer). This makes for fragile printing. Try two walls.

Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage or loss. If you solve your problem, please post the solution…

Posted : 30/08/2017 3:17 pm
guillaume.d2
(@guillaume-d2)
Active Member
Topic starter answered:
Re: Vacuum printing of a curved part

In fact, there is no problem at the beginning of the slope: printing is perfect there. The problem begins when the support material stops but I can not make it higher in Slic3R

Posted : 30/08/2017 3:33 pm
Hackinistrator
(@hackinistrator)
Trusted Member
Re: Vacuum printing of a curved part

Why are you printing in vacuum?
That is the purpose?

Posted : 30/08/2017 4:59 pm
guillaume.d2
(@guillaume-d2)
Active Member
Topic starter answered:
Re: Vacuum printing of a curved part

Sorry ! this is a bad translation (my english is not as good as i would like).
I meant: "printing a slope part with no support material under it"

Posted : 30/08/2017 5:16 pm
Hackinistrator
(@hackinistrator)
Trusted Member
Re: Vacuum printing of a curved part

Oh 🙂
Try other slicong software. Like simplify 3d (expensive) or cura for better support generation.

Posted : 30/08/2017 5:50 pm
guillaume.d2
(@guillaume-d2)
Active Member
Topic starter answered:
Re: Vacuum printing of a curved part

simplify 3d is really too expensive, and It would seem that there are serious incompatibilities between cura and prusa i3 mk2 (example: http://shop.prusa3d.com/forum/original-prusa-i3-mk2-f23/cura-print-settings-t999-s90.html ). I do not want to take the risk of destroying my bed ...

Is not there a solution with slic3r?

Posted : 30/08/2017 6:32 pm
Vertigo
(@vertigo)
Trusted Member
Re: Vacuum printing of a curved part

Just adjust the overhang treshold:

Posted : 30/08/2017 7:15 pm
guillaume.d2
(@guillaume-d2)
Active Member
Topic starter answered:
Re: Vacuum printing of a curved part

That's what i've done, but even with 90°, the support material stops before the top of the curve and the print result arround the curve is really bad quality...

Posted : 30/08/2017 9:00 pm
AJS
 AJS
(@ajs)
Noble Member
Re: Vacuum printing of a curved part

Can you share a photo of the PRINT, not the slicer settings?

Do you have your cooling fan turned on?

Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage or loss. If you solve your problem, please post the solution…

Posted : 31/08/2017 2:48 am
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