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 ...

Barcodes and QR codes ... into a 3D-printed object from the model stage. Using a software plugin, a BrightMarker tag is placed into the digital model and exported as an STL file.

Here are a few of the more notable file types. Stereolithography, or STL, is the most common file type that makers use. It's also one of the oldest. According to Adobe, "STL was created by 3D ...