Add Yahoo as a preferred source to see more of our stories on Google. Wondering how to do Isometric drawing? Sometimes called isometric projection, this type of 2D drawing is used to draw 3D objects ...
Drew sommerfeld on MSNOpinion

From blueprint to finished HVAC piping

In this video I walk through my process of building an HVAC piping run from scratch. I start with the coil trim drawings, ...