I got it to print! I set the default extrusion width to .7 mm and the first layer to 100% in advanced. Then I did 1 vertical shell, 0 top and bottom shells, and no infill.
I found the slic3r manual on their website and found were to set the extrusion width.
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manual.slic3r.org]
Newbie with Folgertech 2020 i3.