477
Stop in next week for more spellcasting tips from Advice Goblin.
(ttrpg.network)
You can seem 1 foot shorter or taller and can appear heavier or lighter. You must adopt a form that has the same basic arrangement of limbs as you have. Otherwise, the extent of the illusion is up to you.
The rule says "you" appear bigger or smaller. One's hat is not one.