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Support Changes Based on Location

Posted: Sun Mar 20, 2016 6:09 pm
by tonyno
Seems like this is a bug...
support 1.jpg
support 2.jpg

Re: Support Changes Based on Location

Posted: Mon Mar 21, 2016 11:41 am
by CompoundCarl
My guess would be that you are using too large of a pillar size. Try using 1mm supports instead

Re: Support Changes Based on Location

Posted: Mon Mar 21, 2016 8:32 pm
by tonyno
I guess my point is that it should not change. Those are manually-added supports.

Re: Support Changes Based on Location

Posted: Tue Mar 22, 2016 6:37 am
by Rebekah_harper
Ive seen similar with infill patterns.

I think that when processing before the part is accounted for, the entire build platform is theoretically covered with the support pattern the cropped according the part's requirement.

So the pattern of the support exists before the part then cut by the part like a cookie cutter.

Re: Support Changes Based on Location

Posted: Tue Mar 22, 2016 11:26 pm
by jimc
rebekah is exactly right. the support system works on a grid. imagine a piece of graph paper that represents the pillar locations. how big the squares are is the pillar size setting. when a part of the model covers a certain % of a square it is activated and a pillar is produced. it will never be the same from model to model since it just doesnt work that way. when you manually place the support you are just telling s3d that you would like support in that location and to activate a pillar in the grid. it doesnt mean that ever pillar you place will give you support exactly like you have it laid out.