Holy mother of inventions! The Milling Machines designed by Arthur Sacek are so exciting they send tinngles through our nether regions. Too bad Arthur doesn’t particularly want to share how he exactly built his machines, but we do know that as a member of Brazil’s ZOOM Education for Life, Arthur is a genius.

Color us impressed. Reddit user ‘bcmanucd’ has just shared his process on the trending /r/DIY subreddit of creating a time trial bike for his wife using his university’s engineering shop. While it’s unclear what his design or engineering background is, one thing is for certain: the dude can build a pretty impressive bike! Here he…