Tri Rec Truss

TriRecTruss
length1 [1] -- length of triangle at first end (at z = 0) in Y direction
width1 [.866] -- width of triangle at first end (at z = 0) in X direction
length2 [1] -- length of rectangle at second end (at z = depth) in Y direction
width2 [1] -- width of rectangle at second end (at z = depth) in X direction
depth [1] -- depth of truss in Z direction
angle [0] -- angle of tilt between triangle's plane and XY plane

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