Simply call the hi-res object myobj_Lod0 and the lower res one myobj_Lod1, etc. Details/ Troubleshooting: It is case sensitive, capital L lowercase o and d. This has to be the name of the OBJECT, not the object's mesh. Mesh names don't matter as far as I know. I guess the fbx exporter uses object na...

The maniascript seems to have PlaceBlock, PlaceRoadBlocks, etc and RemoveAllObjects (which does in-fact remove items) but no PlaceObject. Is there any way to place an item using a maniascript plugin in the editor?

Patches work, thanks! Honestly making tracks that go kms from the start isn't practical (tedious not fun to race on). But often it is nice to have wiggle-room for going a few extra cells out, such as when a turn can't quite fit. The camera patch isn't really necessary for this but it is still easier...

Items can be placed on-top/next-to other items which can be used to build outside of the construction area: http://oi65.tinypic.com/fmmnnl.jpg The "only" limitation to building is the camera, as it must be pointed into the build-area and has limited zoom. Even that could be overcome by setting pivot...