Around the time I started learning how to program, I meddled with 3-D modelling. Although I did not continue pursuing this skill, I did make one model that I was quite proud of: an R2-D2 keychain.

Even though I'm sure it has been done better by others, feel free to mess around with the model if you are so inclined. However, if you are tempted to print it, I'm not sure if it will be structurally sound, so please take that into account.