This article describes a very simple way to level the bed on a Prusa MK3/S/+ virtually for free. I’ll show you how you can use a beer can to make metal shims, and then easily install those shims to achieve a nearly perfectly flat printing surface on your Prusa. I will also discuss the reasons to do (or not to do) this, and compare this method to the fairly popular “Nyloc Nod”.
