
3D printing in the Fab Lab —
Sam Muirhead has decided to live for a year using or developing products and projects that are shared under open licenses. Wolf Jeschonnek, right, is the founder of the Berlin Fab Lab, the city's first open digital fabrication studio, which has recently started using 3D printing.

Open source undies —
Muirhead worked with a designer to create a parametric underwear pattern. You type in your waist measurement, and the pattern adjusts its shape to fit.

Keeping warm in the winter —
The open-source pattern for a scarf draws on public domain snowflake images.