[SEMIJim]

Originally Posted by leffklm

I use a set of dividers (I like the ones that have the option of inserting a pencil lead into one of the arms--Weems and Plath makes a good one)

I briefly tried to find dividers at the Weems & Plath site. Ironically, I found their site difficult to navigate! Perhaps I need to download their catalogue?

Originally Posted by leffklm

and a parallel rule. Along with a mechanical pencil and a good eraser, these tools have served most of my navigational needs. There are a few cases where a triangle protractor comes in handy, but I rarely use it.

Thanks, Leff. Do you have a suggestion for lead hardness and, since you use a mechanical pencil (I've always preferred them) thickness?

Jim