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   R & L CAD Services Pty Ltd  | 
 
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   Software for flat pattern development in engineering.  | 
 
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   Oval Cylinders  | 
 
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   An oval cylinder with parallel ends.  | 
 
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   An oval cylinder cut by a single cutting plane across the oval.  | 
 
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   An oval cylinder cut by a single cutting plane along the oval.  | 
 
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   An oval cylinder cut by two cutting planes across the oval.  | 
 
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   An oval cylinder cut by two cutting planes along the oval.  | 
 
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   An oval cylinder cut by two cutting planes rotated at 90 degrees to each other.  |