When you created mesh from surfaceamodelisoutsidegeometry.It iscompletelybroken!
It happenedto mea second timeafter theinsertionofthe substrateDWG.Most ofit isokaybutI alreadyforgotthat this canhappenandnow I'mfinishedmodeland I'mclueless.
I suspect that your model may be very far from the origin. If you move your objects to mesh close to the origin, mesh them and then move them back, it may work better. ----H