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AndersK

Support structure offset

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Posted · Support structure offset

Can anyone point out which setting makes the support being built outside geometry when using PVA?

 

If I set extruder 2 to PLA it looks like second pic.

 

First pic is PLA + PVA (purple)

1727085626_Dualextruders.thumb.JPG.a7a27009426c390c4af6198b9c985fd4.JPG

 

Second is PLA both (Brim is PVA):

1565219443_singleextruder.thumb.JPG.a1f832c7348ab8abbaa169d81316278a.JPG

 

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Posted · Support structure offset

The setting is called "Support Horizontal Expansion".

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Posted · Support structure offset

Thx, found it.

 

Any benefit from having that expansion when using PVA?

(Value came from the built in profile for Generic PVA)

 

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Posted · Support structure offset

I guess it is to prevent creating lots of small "islands" of support on some prints. Since PVA does not stick very well to PLA, these would have a larger chance of tipping over. And it should not do much harm because it will dissolve anyway.

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Posted · Support structure offset

Makes sense, have only done one test print so far with PVA but intend to try it more on some prints that will be a nightmare to clean if using non dissolvable material.

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