Peristaltic Pump

Just start to work in a new project that need a peristaltic pump, this pump is a over size one that use 1/2" Silicone Tube Line, no idea how fast will transfer liquid but hoping to get close to 2000 ml/min, and a stepper nema 17, or 23 will see, this pump will be a hybrid made of Aluminum and plastic 3D printed, the body is made with a 3D printer, the plates will be cut on my cnc router.