The large 3D printer used is a XYZprinting da Vinci 1.0 model, utilizing FDM technology. It comes with a 1-year manufacturer warranty and features a touchscreen interface for easy operation. With the ability to adjust print speed and connect via USB 2.0, this 3D printer offers versatility and convenience for various printing needs. This unit is ideal for those looking to create detailed and high-quality 3D prints with ease.