After one of the most successful low-cost 3D printers (Anet A8), Ender 3 has become the most favourite 3D printer for both beginners and advance users due to its affordability and print quality. Creality has decided to make “low-cost” looking expensive with its rigid metal frame. Although the print quality it is awesome in relation to its price, we do not have to forget that Ender 3 and Ender 3 Pro are a DIY 3D printers and there are plenty of improvements that can be applied. But do not worry!, due to the high amount of enthusiastic 3D makers, all these mods and upgrades are available online for you. Mito3D has collected the best improvements that you can make to your Creality Ender 3 and Ender 3 pro. Below you will see the best 3D printable models for free to upgrade your Ender 3 in order to achieve high precision by tightening the x and y belts or by installing auto levelling probe sensors, and so many more!. Do not forget to print it in any colour to make your printer even more attractive!