Version: 3.7, paper-307 (1.19.2)

I've noticed this at least since 3.4, still present in the latest version. Might be related to #347.
The actual map to see the bug: https://bpnet.work/bluemap/#world:-991:74:-202:0:1.94:1.3:0:0:free

I've checked this again today and it seems like the issue got resolved somehow. Very weird, as at the time of creating this issue I was already on the latest version.

The models only get fixed once the region gets updated/rendered again in the new version .. so that probably happened :)
I'll close this then, thanks for reporting back!