CSG Rendering Messing Up

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#1

So I’m just trying to build a VW Vanagon and when going to carve out the windows using CSG, it is not rendering correctly after being unioned. As you can tell in this video, no matter what I do, there is no way for me to get around this issue:

I’ve tried to do other operations on the car, such as hollowing out the outside, and then cutting out the windows, but the same thing happens. As so (this is with nothing changed):

(inside)

(outside)

Contact me for a repro, as I have spent a long time on this and do not want to give it away publicly.

#2

Try getting those corners done using cylinders instead.

#3

Try to have as little negations as possible

#4

It seems like whatever I do the problem persists. I’ll try that though.

#5

Looks like some faces are getting flipped. Can you send me that place/model and I’ll add it to our bug list.

#6

Looks like I may have deleted that cut out model. Replacing it with a rounded off square and unionizing it worked fine though.

1435×516 332 KB

#7

I suggest using one (not broken with error) negate part. If this problem still accurs, try to leave it for a while and do some other operation on the same union. After that try to union the negate part.

Also, do not create rectangle with rounded corners by using lot of bricks. Use one brick with 4 negate parts that will round the corners :slight_smile: