Browse through the items available on our marketplace. Once you spot a 3D model you would like to buy the STL files of, click the picture. You will get redirected to the model’s page. There, in the top-right corner, you will see the green Buy button. Click to add the 3D model to your shopping cart. Proceed to checkout. Use your PayPal account or credit card to pay for the STL files. After the payment is processed, you will be able to download the files in a .zip folder.