I'm trying to import Source .mdl files into Blender by using Crowbar to convert them into .qc files, yet the .qc file fails to import with this lengthy error message : r/blenderhelp
Exporting models from Blender using the MDL exporter plugin | HIVE
Blender Import/Export Add-on - Transport Fever Community
How to Import SFM Models into Blender 2.79 - Nabesaka
Exporting models from Blender using the MDL exporter plugin | Page 3 | HIVE