My children enjoy making Aquabeads designs and have recently started coming up with their own ideas as well as following the printed patterns.
I made a printable blank template so they could make designs using coloured pens or pencils before the fiddly work of laying out beads.
It works with this square layout tray (with 22 holes on the top row).
Here are the template files:
(Print the PDF file at 100% size. No scaling.)