This is a test of commonsense. Complete the next sentence:

How to make a schoolgirl bow tie
Lay fabric on flat surface and take measurements.
You want to lay the fabric, face down (the shiny or more decorative side should be laying face down on the surface).
Draw the bow outline with your pencil.
Measurements could be custom to accommodate your style, neck size or you could use the standard measurements of 30 centimeter (11. 8 in) for the length and 21 centimeter (8.3 in) for the width.