Inkjet printer methods just like the Objet PolyJet system spray photopolymer materials onto a build tray in ultra-thin layers (between sixteen and 30 μm) until the half is accomplished. Each photopolymer layer is cured with UV mild after it is jetted, producing fully cured models that can be be} handled and used immediately, without post-curing. Ultra-small options can be made with the 3D micro-fabrication approach used in multiphoton photopolymerisation. Due to the nonlinear nature of picture excitation, the gel is cured to a solid solely sweater dress in the places where the laser was focused whereas the remaining gel is then washed away.