More on this:
Here are examples of the same model and same sketchy line style exported at different sizes.
[image: oFed_Massing1578.png]
[image: z985_Massing3000.png]
[image: IezB_Massing6000.png]
Here's a comparison of the three.
[image: jVYE_Massingcomparison.png]
You'll see that there's more detail in the larger exports although the lines get thinner. You have to weigh out what you need to show and how. You can leverage this to get varying line weights in the same images as in this one:
[image: 5IUk_AdirondackChairmarker.png]
The styles I make always use the maximum number of stroke lengths and the maximum number of strokes per length so as to make it possible to get the most detail.