SOLIDWORKS Projected vs True Dimensions [VIDEO]

Article by Jim Peltier, CSWE updated July 29, 2013


Occasionally I get questions about the difference between SOLIDWORKS Projected vs True Dimensions. To demonstrate the difference, I’ve created a drawing of an awkward plate, which was modeled up at a 20° angle. I mostly did this to demonstrate the concept in an orthographic view as well, but you may or may not have your own reasons. Please watch the video illustrating the difference between Projected and True dimensions:

When to use projected dimensions

As a rule of thumb, you would typically only use Projected dimensions on an orthographic view and typically only use True dimensions on an isometric view. There is no “one-size-fits-all” option, which is why it gives you the choice.

For your reference, I’ve pasted screenshots of the Projected and True Dimension drawing sheets below:

Sheet 1: Projected Dimensions

Sheet 1: Projected Dimensions

Sheet 2: True Dimensions

Sheet 2: True Dimensions

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Jim Peltier, CSWE

Jim has been using SolidWorks since 2001, and has spent most of that time working in the design of industrial automated manufacturing equipment. He has been working as an Applications Expert at Javelin Technologies in Oakville, Ontario since July 2012 and is a Certified SolidWorks Expert (CSWE).