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Drawing A Square With A Compass/dividers & Rule

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By Redochre

Drawing a square with a compass/dividers & Rule.

You will need:

Compass/dividers, rule & a pencil.

Steps:

1. Draw 2 parallel lines the height of your square apart (for this I did 100mm approx 4")

2. Decide on a start point. (Point A) Pic1

post-19342-0-83951300-1396276710_thumb.j

3. Set compass to approx 25mm/1" and mark both sides of point A. These will become point B & C. Pic2

post-19342-0-48316000-1396276734_thumb.j

4. Open the compass approx 125mm/5". From point B & C mark an arch high above point A. They should cross over, this is now point D. Pic3/4.

post-19342-0-19113100-1396276760_thumb.j

post-19342-0-06095400-1396276790_thumb.j

5. Draw a line through point D & A. You should now have a 90degree line. Pic5

post-19342-0-11580900-1396276823_thumb.j

6. Repeat steps 2-5 for the final side of the square or simply use the rule & measure across.

This great for template making when you don't have a set square. You can use Pythagoras to make sure the line is 90degrees.

Edited by northmount
Corrected item 1

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Thank you for posting this Kevin. Hopefully someone will find it useful.

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You're welcome Andy, you did a good job explaining the process.

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