;36 point cell;  4*(1+2+2+4) points at r1-r2-r3-r4 with uneven angles

;relatively easy to construct: 3 different shaped triangles plus one bar

;25inx1in f/6 plate no refocus RMS=2.10e-06

;30inx1in f/6 plate no refocus RMS=4.32e-06

var r1  0.225793

var r2  0.509608

var r3  0.683627

var r4  0.903041

var a2  23.0371

var m2  0 - a2

var a4  12.205

var m4  0 - a4

diameter 762

thickness 25.4

density 2.45e-06

modulus 6000

poisson 0.22

f-ratio 6

n-mesh-rings 30

rel-support-radii r1 r2 r2 r3 r4 r4

num-support 4 4 4 8 8 8

support-angle 0 a2 m2 0 a4 m4

basis-ring-size 4

basis-ring-min 0

optimize r1 0.01

optimize r2 0.01

optimize r3 0.01

optimize r4 0.01

optimize a2 1

optimize a4 1

part triangle 4 point 0 0 point 1 0 point 2 0

part triangle 8 point 3 0 point 4 0 point 5 0

part triangle 4 part 0 0 part 1 0 part 1 1

part bar 1 part 2 0 part 2 1