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Dome Blowing

 
  A piece of material (normally Cast Acrylic) is heated in an oven. It is transferred to the Dome Blowing unit, where it is clamped under a circular ring. Air pressure is applied which blows the material up. The elastic nature of the material forms it into a uniform, hemispherical dome.  
     
   
Dome Blowing Unit 320, for free dome blowing of domes up to 304mm (12in) diameter
Dome Blowing Unit 640, for free dome blowing of domes up to 610 (24in) diameter