Have a look how to create 2D piping in AutoCAD using the Mech-Q Piping module. This is straightforward way to draw ducting, piping, mechanical and structural schematics in AutoCAD or LT.
The are a few drafting tips within the video such as Directional Distance Entry and how to use SNAPANG to draw on an angle.
for more visit http://www.cadavenue.com (AutoCAD is not required)
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