Choose your shape
square rect circle ellipse
units  dimensional:  weight:  density:  ozs/in 3
circle
  Height Volume Weight
  in in3 ozs
^ 1.125127.24190.55
  1.000113.10169.38
  0.87598.96148.21
  0.75084.82127.03
Z 70.69105.86
  0.50056.5584.69
  0.37542.4163.52
  0.25028.2742.34
^ 0.12514.1421.17
Z step:  
  Area
      in 2 		^  Rx   ^
4.00 5.00 7.00 8.00
  8.00                         201.06
  7.00                   153.94     
Ry 6.00             113.10           
  5.00       78.54                 
  4.00 50.27                       
step:  
Shape
perimeter		 minimum fiber needed for:
1st layer 2nd layer 3rd layer
37.7 38.5 39.3 40.1