Sunday, September 9, 2007

nominal vs. dimensional??

One additional thing i should mention about Google Sketchup from my previous post, is that i put all the lumber sizes in in their "true" sizes. Otherwise, i wouldn't know exact distances and size of things!!! Am i not right here?

For instance, a 2x4 is not truely 2 by 4 inches. Its "about" 1.5 by 3.5 inches. How could i put in a piece of lumber that IS 2 by 4 inches into my drawings and expect sketchup to tell me the proper distances?

I understand if you measure everything "on center" you should be ok, but what about if simply want to measure the entire width of the structure?

If someone can clear this up for me i'd appreciate it.

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