Pattern link https://www.inspireuplift.com/Leather-Ogimani-Cardholder-Pattern-Pdf/iu/84871
The design in this template makes a Card Wallet that is approximately 3,15in x 3,94in ( 83 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.