Kearing H8097 Pattern Making Grading Ruler with Holes 60cm & 24”

60cm & 24” clear ruler with holes for pattern making project.
Made with durable, flexible plastic that bends 360° without breaking, this ruler features sandwich-printed scales that never fade and a transparent design for clear visibility. Its micro positioning holes ensure precise alignment, making it perfect for drawing circles, scallops, and accurate pattern grading.

Enlarging Patterns:

To enlarge patterns on grids, draw a grid to match scale given with pattern.
Draw the same line in squares as corresponding squares in pattern.
Line up any grid line on ruler to pattern line to create parallel lines.
Use cross lines of grid to create perpendicular lines.

Drawing Circles:

Anchor ruler with thumb tack in center hole marked O.
Determine diameter of circle.
Divide that number in half and place pencil in corresponding hole.
Draw circle by rotating ruler like a compass.

Drawing Scallops:

Draw a base line.
Place center hole O on base line and secure with thumb tack.
Determine finished width of scallop and divide that number in half.
Place pencil in corresponding hole and draw scallops.