Why would you need a steam distiller?
-Steam distillation is the main method of separating essential or volatile oils from plant material, however commercial steam distillers cost around $400 and essential oils cost a lot too. With this Instructable you can start producing essential oils for less than $40.
Step 1: Introduction
Basically steam goes through plant material, where it absorbs the essential oils, then is condensed and the oil is separated from the water.