Ross learns about 3D printed houses; spotlighting Aaron Smith; Tom and Kevin turn a bowl.

Ross Trethewey travels to Austin to visit a company that is building homes using 3D printing to learn about the process and how they differ from classic stick-built homes; AskTOH spotlights Aaron Smith, a dedicated landscaper in Detroit who is making a difference through community-focused and sustainable initiatives; Tom Silva and Kevin O'Connor use a lathe to turn a square bowl with legs.