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Finding the Center of a Circular Object

Say you want to find the center of a circular object, like a dowel, a tabletop, etc. It’s easier than you might think.

Create a right angle (90 degrees) from two pieces of wood, or use your carpenter’s square. Place your square against the circle so both arms touch.

At the center of the square, place another piece of wood at a 45 degree angle to the arms and secure it with a clamp or screws.

Draw a line on the circle, using the left side of the long arm as a guide.

Rotate the square and arm assembly 90 degrees.

Draw another line on the circular material as before.

Remove the square, and voila! So easy, you never knew how.



2 Responses to “Finding the Center of a Circular Object”

  1. Gabe Says:

    November 13th, 2006 at 9:42 pm
    Visit Gabe

    Ah ha! That makes sense. Thanks Dave!

    Looks like another clever jig to have around. I even like the diagram! That is way easier then what I was trying to do.

  2. nate logan Says:

    November 14th, 2006 at 9:12 am
    Visit nate logan

    Or there’s always the “eh, that looks about right” method…

    ;)