I just modeled this knife and I can't find how to export its texture as png.

screenshot of a knife in Blender

I searched a lot, but nothing seems to work. I tried baking it a few times, but all I got is a black UV map. And yes, it is unwrapped. When I baked it using combined bake type it baked the texture together with the light that was reflected of it.

screesnhot of result