Hi Michael,

if others agree would it be possible to put each line type on a seperate layer so that there get five layers exported:

Layer 1 (bottom layer): The shading as a bitmap

Layer 2: The complete object with all visible lines. All lines with a thin stroke

Layer 3: All hidden lines, very thin and dashed

Layer 4: All lines where the surface normals differ (One pointing away from the viewer and one pointing towards the viewer). These lines have a stroke width of 3 times of the ones of layer 2

Layer 5 (top most layer): All outlines where an edge "touches" the background. 3x stroke, round cap, maybe different color

This would result in a very uncluttered export and allow to switch line types on and off easily and also alows to rearrange layers like putting the outline layer to the bottom.

Is that maybe what you have currently in mind?