an example: I added a new paint material but it did not show up in 3DO. This is what it looked like after I restarted everything, even a reboot wouldn't work.
Check the glossy maps. Any of the profiles I've looked at have the shiniest bits (chips along a worn paint surface for example) as white. However, in Octane they should be black.
You can drop the emoticons, you're obviously not friendly. At any rate, I look forward to you participating in a more useful way. Like, posting art, for example.
Great stuff, especially the last one! Only comment is keep the brushwork "clean" and focus on warm/cool to avoid muddiness (esp. in first one for example) Photostudy thingie:
Loft in 3ds Max does this. Plus it will match shapes with uneven # of points. So you can Loft a triangle to a circle to a square for example. Many tools can do this.
Does the indirect diffuse reflection happen automatically or does it need to be setup? Here's a really bad example of a lightmap generated using Flatiron, The lights are primarily whitish blue.
I would do a block-out first to get the proportions before adding any detail, it will help with scale no end. The tyres already look too thick for example.