problem with bump - please help me

hello
i have a big problem
i use the bump and everything was ok (but the displacement not working)
today bump is not working but the displacement works
this is very strange!!! on the material studio everything is ok!!!
i dont no what is going on!!!
help me if you can!!!

Re: problem with bump - please help me

It seems that it’s not our fault. Sketchup generates geometry in a strange way and that causes bump & displacement work only sometimes.

But there’s a good tutorial for displacement made by Taoklai: