> Are there any free tools that are helpful in designing cases or > panels? I think I'm basically looking for something that will let me > lay out where a sheet of aluminum is going to have holes drilled or > punched in it, as well as being able to lay out the silkscreen > graphics.
I haven't used it, but the cannonical open-source 2D CAD package for drafting is QCAD: http://www.ribbonsoft.com/qcad.html Why don't you try it and let us know how it works for you? Stuart
