FLSUN is introducing a massive upgrade to all your large size, low volume 3D printing needs with the S1 Pro. The S1 Pro can print blazing fast speeds of up to 1,200 m/s with high acceleration and flow rates. Combined with innovative algorithms and the new FLSUN OS and FLSUN Slicer v2, the S1 Pro ensures flawless, highly detailed, and smooth 3D prints every time with a wide range of materials.