The second assignment of the digital fabrication seminar class was focused on the methods of fabrication with the use of CNC milling machine by challenging the design. The second assignment was tutored by Jose Pedro Sousa (co-founder OPO´Lab) with the assistance of Jordi Portell and Miquel Lloveras. Eduard Cabay and Marta Malé- Alemany, tutors of the other 2 digital fabrication assignments were jury on the final presentation.