The real leather prototype came soon after the paper one. Here you can see five of the 30 we went through. First we combined the paper body with a leather case. Then we made a complete leather prototype with the case on top. But we quickly realized that this was not exactly what we had in mind and decided we'd have to hide the case in order to achieve a smooth design.
Our biggest challenge, however, came with fine-tuning the pocket inside the case. We had certain requirements:
Our requirements were achieved and you can get your iPhone leather wallet case now ;-)