Blockchain

3D model of a blockchain. Inspired by fx137's blockchain model which was inspired by https://dilbert.com/strip/2018-04-20
I completely redesigned the model to (hopefully) not need supports
[Designed with OnShape](https://cad.onshape.com/documents/ef15578eca1d65616ff2a3f5/w/446057e7a4d05e7b9e7040f5/e/ee161d7db127c4a12469464a)