OK so here’s the artloader.net logo.
I’m gonna leave it at this because I’m in danger of spending a silly amount of time messing about with the settings in Blender.
Below is the clockwork bump map image I made for this in Gimp:
And here are the bronze material settings in Blender:
Here’s my 2nd logo design.
I’m trying for a steampunk feel by going for a brass-like colour with clock-work type cog wheels.
The 3D model was done in Blender and the cog wheel design was done in Gimp.