I want to build a music stand but don't know what might be considered standard dimensions of height (I would guess the travel should be between a sitting and standing position). Also, what might be a typical size for the platform that holds the book or music? I have no turning capabilities, so will make a square style pedistal. I've kept various photos of completed music stands on this forum, so have a design in mind, but thought I might work on my SketchUp skills while I'm at it…hence the desire for some dimension info. Thanks so much, as always.