thank you for the helpHello.
Radiant Level Design Tools
http://jkhub.org/tutorials/article/69-mapping-video-tutorial-series/ - basics.
http://jkhub.org/tutorials/category...rt_by=desc&sort_key=update&article_filter=all - advanced stuff.
Yes, it can be official if it has corresponding quality
You should be able to use just about any 3D modelling program to make models (assuming the right conversion workflow), but you cannot make an entire map using them.Does anyone know if you can make JK maps in Rhino 3D? It seems that Radiant is very similar to it.