Changes
Alternatively, it is suggested, to keep n_direct and direct_spacing_lambda in the Array Properties dialog window untouched, yet, change their values from the Variables dialog window.
What is a good way to draw a surface with a curve of y0 * exp(r*x) where I can run a parametric study of r? Again drawing parametric curves and then fill fixed the design.
You can use "Taper Strip Tool" and check mark the "Exponential" check box.
http://www.emagtech.com/wiki/index.php/Glossary_of_EM.Cube%27s_Standard_Geometric_Objects#Taper_Strip_Tool
