Making It: https://www.makingitpodcast.com
MakerCast: http://www.podcastformakers.com/
The Product Design Show: http://www.engineering.com/videos/productdesignshow.aspx
Industrial Design with David Klein: https://itunes.apple.com/us/itunes-u/industrial-design-david-klein/id555384934?mt=10
After School Podcast with David Lehman: http://www.core77.com/Podcast
The Amp Hour Electronics Podcast: http://www.theamphour.com/
The Spark Gap Podcast: http://thesparkgap.net/
Embedded.fm: http://embedded.fm/
Design world podcasts: http://www.designworldonline.com/category/podcasts/
EEV Blog: http://www.eevblog.com/
3D Printing Today: http://threedprintingtoday.com/
FW Thinking: http://www.fwthinking.com/podcasts/tag/3d-printing/
FarStuff: http://farstuff.com/