Layout, Measuring, and Marking
A reader wants to know how to enlarge patterns from a gridded drawing. It's easier than you think, and requires very little artistic talent.
You don't need fancy equipment to turn away from straight lines. In this article, we'll show you how to mark curves and arcs with a trammel, string and pins, compass, flexible curve, and French curve.
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We've got 10 super-simple shop skills that will improve your marking accuracy.
If you've ever tried to draw a straight line down a length of dowel to mark hole locations, you know how difficult it is to hold a straightedge along a round surface.
If you're going to deal with round things, you need to know about p (Pi). Pi, a number you'll use often in circle calculations, represents the number of diameter lengths of a circle it would take to equal the same circle's circumference-about 3.14159.
