Some of our prototypes have as many as 40 screens. To get this done in 8 hours, we would need to finish 5 screens every hour (or 1 screen every 12 mi…Building a High-Fidelity Prototype in One Day4548Tim HöferMarc-OliverFollowJul 27, 2017 · 1 min read40 key screens or 40 different states?