Metallic coin with the symbol 'B', means 'Bitcoin', on it.
Modeled and rendered via Blender 2.73 / Cycles. Turntable images (#4-6) rendered from Blender's camera viewport via OpenGL. Native BLEND file have lighting and render set-ups in Cycles mode, and also node shader material (presented only in BLEND file!) as shown in #1-3 thumbnail/turntable images.
FBX and OBJ formats exported from Blender. Mesh is partly unwrapped, only edge side have UV-map for bump/normal textures that is attached in bump_normal_maps.zip.
I've used my own designed symbol, NOT derived from any fonts or etc.