I looking for a fast preview profile

Hello,
When I design things, I would first like to use a profile that prints only a framework so that I can hold the workpiece against it to see if it fits.
Currently I print with 2 wall thickness, 2% infill and supports with 10mm spacing.
What else can I do to make the preview print faster and more efficient? What speeds can I increase without causing damage? Or what other options are there?

Many thanks in advance! Manuel

You can do 2 top and 2 bottom layers

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