Choose your shape
square rect circle ellipse
units  dimensional:  weight:  density:  ozs/in 3
rectangle
  Height Volume Weight
  in in3 ozs
^ 21.375534.38800.28
  21.250531.25795.60
  21.125528.12790.92
  21.000525.00786.24
Z 521.88781.56
  20.750518.75776.88
  20.625515.62772.20
  20.500512.50767.52
^ 20.375509.38762.84
Z step:  
  Area
      in 2
^  X   ^
3.00 4.00 6.00 7.00
^ 7.00 21.0028.0035.0042.0049.00
  6.00 18.0024.0030.0036.0042.00
Y 15.0020.0025.0030.0035.00
  4.00 12.0016.0020.0024.0028.00
^ 3.00 9.0012.0015.0018.0021.00
X step: Y step:  
Shape
perimeter
minimum fiber needed for:
1st layer 2nd layer 3rd layer
20.0 20.5 21.0 21.5