Folding a Rhombus 1

First take an A rectangle.

Fold it in half in both directions

to find the mid points of each side

Fold in each corner to create the rhombus.

This is a difficult fold. To make the fold easier you can

Place a ruler along the line you want to fold and fold up against the ruler

or

Score gently along the crease to be made using a ruler and a sharp point and then fold.

For some patterns and tessellations with this rhombus click here