20151023_ted_04.mp3?orgId=1&topicId=1019&p=57&story=449200894&t=progseg&e=449179937&seg=4&ft=nprml&f=449200894

Part 4 of the TED Radio Hour episode Open Source World

About Alastair Parvin's TED Talk

Instead of architects creating buildings only for those who can afford to commission them, what if regular citizens could design and build their own houses? Designer Alastair Parvin says it's possible.

About Alastair Parvin

Copyright 2016 NPR. To see more, visit http://www.npr.org/.