Shaping Stone Workbench is what you can use to discover new shapes. There are currently three panels that you can use in order to construct your new shape: square, equilateral triangle, isosceles triangle. Any shape that is built must be closed (not have any open spaces).
Toolbar[]
The Shaping Stone Toolbar allows you to have greater control in making shapes. When a tool is selected, a starburst will appear around its icon. Tools only apply to the selected panel, which is coloured green.