Pattern https://www.inspireuplift.com/Leather-Flap-Card-Wallet-Pattern-Pdf-Video-Tutorial/iu/53722
This template will save Your time and provides an easy way to make a Card Wallet from scratch.
The design in this template makes a Card Wallet that is approximately 3,15in x 3,94in ( 80 mm x 100 mm) when closed. Wallet has two pockets for cash and cards.
Recommend to use the leather in a thickness of 1,3-1,5 mm.