I've created a 2 by 2 by 2 3d hex mesh and used Rocketeer to visualize the quality of the mesh over the various quality metrics. These images also highlight the thresholding capabilities of Rocketeer.
Size metric, all elements.
Size metric, elements < .95
Size metric, elements < .925
Size metirc, elements < .85
Shape metric, all elements
Shape metric, elements > .935
Shape metric, elements < .87
Min Dihedral Angle, all elements
Min Dihedral Angle > 74 degrees
Min Dihedral Angle < 62 degrees
Max Dihedral Angle, all elements
Max Dihedral Angle > 122 degrees
Max Dihedral Angle < 107 degrees
Size Shape, all elements
Size Shape > .9
Size Shape < .8
Size Skew, all elements
Size Skew > .88
Size Skew < .84
Skew, all elements
Skew > .95
Skew < .915
