![](https://static.dezeen.com/uploads/2014/07/Jacer-training-center-by-3-plus-1-architekti_dezeen_468_sq.jpg)
Serrated timber extension by 3+1 Architekti transforms stone barn into woodwork facility
Czech studio 3+1 Architekti has added a zigzagging wooden extension over old stone walls to turn a former agricultural barn into a woodwork training centre (+ slideshow). More