The design of QR codes also make them well suited to 3D printing, and thanks to a new web-based tool, you can generate your own custom STL in seconds. Created by [Felix Stein], the website ...
4. When you're finished, click Download to save your custom QR code. 5. After you hit Download, a pop-up will appear asking you to create a free account, but you don't have to create an account.