Dividing Automatically

Model 1/2 divides in half. Indicated in both inches and centimeters

Model 1/3 divides in thirds.

1/2 Model may be used to divide by 2, 4, 8, 16.....

1/3 model may be used to divide by 3, 9, 27.....

Models 1/2 & 1/3 in combination divides by 6, 12, 18....
Notes:

Tenths and fifths may be found using the metric scale.

Measure the space with the inch scale, sliding the right pointer to that measurement.

Read the metric equivalent in millimeters.  Divide by 10 by moving the decimal point one space to the left.  slide the right pointer until the left pointer is on the 1/10 answer.  The inch scale pointers, left, will be at 1/10 and the right will be at 1/5
The Basic 4 Patch 9 Patch & Combination Patterns Octagon Based Stars
 
Design and Drafting

The Basic 4 Patch

EXAMPLE:  Using the Great Divider Model 1/2 along the "top" of the block (diagram), place the left edge of the ruler on the left side of the block and slide the right pointer to the right side of the block.  Mark at the left pointer (the "midpoint").  Move the right pointer back tot the "midpoint" and mark at the left pointer (the 1/4 point).  Without moving the pointers, move the ruler so that the left edge of the ruler is at the "midpoint" and the right pointer is at the right side of the block, and mark at the left pointer (the 3/4 point).

Repeat the process along the bottom and both sides of the block.  Connecting all opposite points produces a grid on which many patterns or design may be drawn.

 

9 Patch & Combination Patterns

EXAMPLE:  Using the great Divider Model 1/3 along the top of the block (diagram) place the left edge of the ruler on the left side of the block.  Slide the right pointer to the right edge of the block.  Mark at the left pointer (1/3).  Without moving the pointers, move the rule so that the left edge of the ruler is on the 1/3 mark and mark at the left pointer (2/3).  Without moving the pointers, duplicate the 1/3 and 2/3 marks along the bottom and sides of the block.  Connect all opposite points forming a nine patch grid on which to draw the pattern or design.

Combination

EXAMPLE:  After drafting the 9 patch grid, change to the Great Divider Model 1/2 and divide each corner 1/3 in half. Divide at the top, bottom and on each side of the block, connect all opposite points to form the grid. (diagram to right)

 

Octagon Based Stars

 

 

 

 

EXAMPLE:  Draw a square the desired size. Place the Great Divider Model 1/2 along the diagonal of the square with the left edge of the ruler at the upper left corner; slide the right pointer to the opposite corner; the left pointer will be at the midpoint of the diagonal (center of the square).  without moving the pointers, place the ruler along any side of the square.  With the left edge of the ruler at the corner, mark at the left pointer setting.  Move the ruler to the right so the left pointer is at the right corner of the square and mark at the left edge of the ruler.  (Diagram X)

Repeat the process on all four sides to establish the 8 points of the star.  If the points are connected across each corner, an equal sided octagon has been drafted.

Connect opposite points all around forming lines A<B<C<D on Diagrams Y and Z.

To form an 8-poin star - Diagram Y; connect points 1 and 4; 3 and 6; 5 and 8' 7 and 2.

To form the diamond in the star - in addition to the 8 Point Star; connect points a to a'; b to b'; c to c'; d to d'.  (Diagram Z)

 

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