I recommend my answer about how to batch create families from imports with dynamo:
This is mainly about dwg, but it should work with any file types you can get into dynamo, I also used with objs
Edit: spelling
I recommend my answer about how to batch create families from imports with dynamo:
This is mainly about dwg, but it should work with any file types you can get into dynamo, I also used with objs
Edit: spelling