Bifold Wallet
thingiverse
I took the pattern from the following website and turned it into a 3d model https://www.circassianleather.com/index.php/2020/06/03/free-mens-bifold-wallet-pattern-pdf/ The thickness of the pattern is currently scaled at 1mm; however, this may easily be changed to whatever thickness you desire.
Download Model from thingiverse
With this file you will be able to print Bifold Wallet with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Bifold Wallet.