Contents Designing » Editing » Tweak Face Tool » Tweak Face Display OptionsPrint pageShowing Curvature on Your Face or Surface Select Curvature in the Show section on the Face Edit tab. (Optional) Change the shading colors under Curvature in the ribbon group.The maximum color is on the left and the minimum color is on the right. « Showing a Grid on Your Face or SurfaceShowing a Fringe Graph on Your Face or Surface »