Lars Brubaker, our Chief MatterHacker, spoke recently at the 2014 3D Printer World Expo, covering a range of 3D printing topics - from materials to troubleshooting.  In case you missed it, you can still check out the slides that accompanied those presentations below.

Presentation: Troubleshooting Common Problems with 3D Printing

A panel of experts demonstrates common 3D printing problems and challenges, and how to troubleshoot and resolve them.

Presentation: Intro to Open Source 3D Printing Software - MatterControl

An introduction to the popular open source printer control and slicing software program MatterControl.

Presentation: 3D Printing Materials - The Common and Exotic

A review of commonly used materials as well as exotic filaments, their applications and limitations, plus printing tips on temperature, speed, support infill and other issues.