Form, Punch, Hole, Stack - 3/4 Station Continuous Production Thermoforming Machines with Vacuum & Pressure Options Pneumatic or Fully Servo Option The Inline series or the Form-Cut-Stack Machine comes in 2 standard sizes is of forming areas 500x600 & 600x800 mm. They are either 3 station or 4 station machines with stations being that of heating, forming, punching, optional holing and stacking stations.