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Make an 8 Inch Circle Using a 6 Inch Rectangle

Step 2In the begining

In the begining
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  • step1.gif
  • H:\Documents and Settings\Craig\Desktop\circle jig\circle02.JPG
We begin by measuring the dimensions.

1. Using the example below lets draw dimensions on the 1.5 x 6 inch piece of wood.

1.1 Find the horizontal center length of the wood rectangle and draw a line down the center of the rectangle. Do the math (1.5 inch / 2 inch = .75 inch center)

1.2 Measure 1 inch in from each end of the wood rectangle and draw a horizontal line.

1.3 Now you should have a total of 3 lines:
1.3.1 a line down the horizontal center of the rectangle
1.3.2 a line 1 inch in from the left side
1.3.3 a line 1 inch in from the right side

2.using the example below lets draw dimensions on the large 9 inch x 6 foot piece of wood .

2.1 Next using your large 9 inch x 6 foot piece of wood create a 9 inch square. We already know it is 9 inches wide so measuring from one end of the wood, measure 9 inches in and draw a line.

2.2 Next we need to find the exact center of the 9 inch square.
2.2.1 Measure 4.5 inches down and 4.5 inches over to create (4) 4.5 inch squares
2.2.2 Now we have the exact center of the square (You could have drawn from corner to corner to also find the center, but then we would not have 4 little squares and I like squares).

3. Lets take this time to grab our drill and small drill bit and drill a pilot hole in each of the 3 line intersections.
3.1 Drill 2 holes in the 6 inch rectangle and one in the center of the 9 inch square.
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Author:Mr. Rig It
I like to build, create, and invent new things to use in life. Sometimes I like to share them with others, that's why I joined Instructables. :-)