### System information - **SolveSpace version:** 3.1~70bde63c - **Operating system:** Gentoo Linux ### Expected behavior There is no error if extrusion does not extend all the way through the other group:  ### Actual behavior  ### Additional information [wedge-diff-nurbs.slvs.gz](https://github.com/solvespace/solvespace/files/12318087/wedge-diff-nurbs.slvs.gz)