This is my take on the Bitcoin model.
I know it's not accurate nor complete, but this is as far as I got.
Ansys/DesignSpark Mechanical and Blender
I designed this using Ansys 18(Student) and Blender.
Yes, I did engrave my company name at the back. I do 3D design for 3D print training here in South Africa.
You can also follow me on YouTube:
https://www.youtube.com/channel/UCQ5JJ-QGhZNih2O4bLojhTA?sub_confirmation=1