[ART] Custom static object in blender does not transfer textures to model ed. or map ed.?

[WALP]

Tried that already but I have noticed It saves the texture as a .png. Is that not compatible with amnesia?

as far as I know both .png,.jpg,.tga, and .dds is compatible with amnesia so the file type should be no problem.
it is however essential that your texture has a size that is a "power of 2".
rather then explaning what it is just know that you may only use these numbers in the resolutions:
1
2
4
8
16
32
62
128
256
512
1024
2048

combine them however you want, so it could fx be a standard 512x512, or maybe a long 256x32 or 512x1024 and so on...