Hi, I'm very new to Fuze4 having only just bought it for my Switch2 and not yet had much chance to do anything with it, but I happened to watched a Halloween Fuze4 Jam last night on YT and there is an example of applying textures to terrain that can then be rotated in 3D. Don't know if this is what you are after but the video is on this link:
and starts at around 1m hour 49 minutes.