structuredAttrs is enabled

trying https://github.com/mikedh/trimesh/archive/refs/tags/4.12.2.tar.gz
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
  0      0   0      0   0      0      0      0                              0
100 13.08M   0 13.08M   0      0  8.21M      0           00:01          8.92M
unpacking source archive /build/download.tar.gz