Blending Options-Gradient Overlay

Gradient’s parameters.

Introduce the same way several more pentagons, like next picture shows it.

The Gradient Overlay parameters are the same in all cases.
Choose now the corresponding cliché from the next table, by using next tool .

A snowflake of white color.
Blending Options-Drop Shadow

The same instrument will be helpful in representing several more snowflakes with the colors’ codes indicated below (the last one from the left corner, the group of four snowflakes from the bottom), the rest of them are pictured in white.

Take the next instrument to create a figure with the shown parameters.

Fill 0% on the layers, the Opacity must be of 72%.
Blending Options-Gradient Overlay