Choose your shape
square rect circle ellipse
units  dimensional:  weight:  density:  ozs/in 3
circle
  Height Volume Weight
  in in3 ozs
^ 404.12531739.9847533.79
  404.00031730.1647519.09
  403.87531720.3447504.38
  403.75031710.5347489.68
Z 31700.7147474.98
  403.50031690.8947460.28
  403.37531681.0747445.57
  403.25031671.2647430.87
^ 403.12531661.4447416.17
Z step:  
  Area
      in 2 		^  Rx   ^
3.00 4.00 6.00 7.00
  7.00                         153.94
  6.00                   113.10     
Ry 5.00             78.54           
  4.00       50.27                 
  3.00 28.27                       
step:  
Shape
perimeter		 minimum fiber needed for:
1st layer 2nd layer 3rd layer
31.4 32.2 33.0 33.8