The system prompted me to generate a bug report including the problematic files. I’ve attached them below.
ComplicatedFiles.rbxm (247.5 KB)
Expected behavior
Possible oddities in collisions, but a successful union operation, nonetheless.
ComplicatedFiles.rbxm (247.5 KB)
Sorry for the late response, it looks like this ticket slipped through the cracks! I’ve taken a look at your file and determined the reason for the failure. Your model has a lot of parts and the result of their union would have a huge number of triangles. We run edge-collapse simplification to reduce the triangle count to 20,000, but in your case the algorithm was not able to reduce it down to just 20,000. This is usually due to a very large number of parts not overlapping each other.
In this case, I would recommend not unioning the entire creation, or if you need to reduce the amount of geometry, replace some of the very complex areas with boxes manually.
Thanks so much for the bug report! It’s very useful for us to see real-life examples of simplification failing, instead of contrived example cases.
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