Form – an object which has three dimensions. A 3D shape

Form refers to an object that appears to have width, depth and height, i.e. a 3D shape.

To help you remember that a form is a 3D shape, recall the following mnemonic:

One class in school, form 3D, thought it would be funny to get into a 3D shape.

Forms can be mathematical – for instance, cones, cubes and spheres:

Forms can be organic, following no rules:

Forms can be recognisable as objects we see around us: