WIDTH 3.8 cm =12.25X1.25" LONG ROUND RULER
WIDTH 7 cm = 17.5x 3.75" ROUND RULER
WIDTH 7 cm = 9X2" = SQUARE
4.5X1/25" = ROUND SMALLEST ROUND
WIDTH 7cm = 6.2X3" SMALLEST SQUARE
LINE UP WITH GRID ON CANVAS, REMOVE BY LIFTING STRAIGHT UP,IF IT FEELS LIKE IT IS STICKING TO YOUR DRILLS TRY RUNNING A ROLLING PIN OVER IT GENTLY BEFOR REMOVING.