// Points from m22.dat in the archive: http://m-selig.ae.illinois.edu/ads/archives/coord_seligFmt.tar.gz
// Not necessarily in the same order as in: http://m-selig.ae.illinois.edu/ads/coord/m22.dat

m22_points = [[1000,2.65],[950.02,4.92],[900.03,9.48],[800.0801,23.72],[700.14,41.85],[600.21,61.39],[500.26,78.62],[400.3,90.86],[300.3199,94.29],[200.29,85.23],[150.25,74.5],[100.2,59.06],[75.16,48.55],[50.12,37.13],[25.08,22.5199],[12.55,13.86],[0,0],[12.48,-7.04],[24.98,-5.08],[50,0.53],[75.02,6.35],[100.04,11.66],[150.07,20.7],[200.09,26.93],[300.11,31.79],[400.1,28.76],[500.07,19.92],[600.0299,9.29],[700,-1.14],[799.97,-8.28],[899.97,-9.61],[949.98,-7.08]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=m22_points);