About this item 【Higher resolution and output】Mars 3 is ELEGOO's first desktop mSLA 3D printer with super-high precision. It adopts a 6.66 inches mono LCD with Ultra 4K HD resolution, which has a 30% higher XY resolution at 35μm and 37% higher build volume than Mars 2, delivering amazing 3D prints. 【The release film 2.0】With less release tension, the small and thin supports added to your model will be well-protected. Mars 3 has a greatly improved success rate when printing 3D models with lots of details. 【Upgraded light source】 36 highly integrated LED lights with a brand new COB lens that has a free-form surface can deliver over 90% uniformity of UV light illumination , making the printing accuracy upgraded to another level. 【Optimized heat sink unit】ELEGOO Mars 3 adopts copper tubes in the heat sink unit working with a high-quality cooling fan, which significantly improves the heat dissipation performance and brings down the light decay to less than 5% after 6000hours printing, extending the longevity of the UV LED lights. 【Chitubox Pro free trial】Mars 3 comes with a 1-year free trial of Chitubox Por slicer that worths 169USD. Chitubox Pro has loads of great upgrades from automatic supports to model repair tools, which helps both professional 3d printing labs and novices to maximize your output.Lychee Slicer is now also compatible with Mars 3.