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Bad finish below support material  

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tonio.b
(@tonio-b)
Active Member
Bad finish below support material

Hi guys,
I am working with Slicr software to produce some parts and when I have parts which needs support
I am getting this kind of surface below the printed parts. These surfaces are built over the support produced by the software.
Any idea how this can be improved.

Postato : 28/09/2017 5:36 pm
AJS
 AJS
(@ajs)
Noble Member
Re: Bad finish below support material

Make sure you have some interface layers (2) and a tight interface layer spacing (0.2) and your contact Z distance is set to 0.2 (detachable).

Show us your settings and maybe we can help more.

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…

Postato : 29/09/2017 10:20 pm
KennyB
(@kennyb)
Trusted Member
Re: Bad finish below support material

Same issue here. I'm using all the default settings in Slic3R for the mk2s multi material (though not printing a different material for the supports yet).

Postato : 20/11/2017 5:06 am
David T.
(@david-t)
Noble Member
Re: Bad finish below support material

Surface printed over the support will never get the same quality as other surfaces, unless you print with multimaterial extruder and dissolvable filament in supports.
Consider printing parts in such a way they don't need supports (rotate them appropriately).

Postato : 20/11/2017 12:03 pm
ir_fuel
(@ir_fuel)
Estimable Member
Re: Bad finish below support material

Same issue here with a i3mk2s MMU.

Postato : 20/11/2017 12:24 pm
KennyB
(@kennyb)
Trusted Member
Re: Bad finish below support material


Surface printed over the support will never get the same quality as other surfaces, unless you print with multimaterial extruder and dissolvable filament in supports.
Consider printing parts in such a way they don't need supports (rotate them appropriately).

I gave this a shot with water soluble PVA support interface and can confirm it drastically improved the underside of my prints. Just need to use the proper settings such that there is no gap between the support and the bottom of the print.

Postato : 02/12/2017 8:26 am
AJS
 AJS
(@ajs)
Noble Member
Re: Bad finish below support material

Good discussion in this link:
https://shop.prusa3d.com/forum/original-prusa-i3-mk2-f23/supports-question-t6692.html

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…

Postato : 04/12/2017 12:43 am
ir_fuel
(@ir_fuel)
Estimable Member
Re: Bad finish below support material

Same issue here:

Will using PVA solve this?

Postato : 08/12/2017 7:21 pm
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