// Points from sg6040.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/sg6040.dat

sg6040_points = [[1000,0],[997.88,0.48],[991.83,2.0699],[982.33,4.77],[969.77,8.4499],[954.42,12.83],[936.37,17.66],[915.59,22.85],[892.21,28.45],[866.47,34.46],[838.61,40.8],[808.87,47.39],[777.52,54.15],[744.82,60.94],[711.04,67.59],[676.32,73.94],[640.81,79.92],[604.77,85.41],[568.37,90.32],[531.8,94.61],[495.26,98.15],[458.91,100.8899],[422.97,102.79],[387.58,103.78],[352.86,103.8599],[319.03,102.99],[286.19,101.16],[254.49,98.43],[224.05,94.79],[194.96,90.28],[167.34,85.06],[141.37,79.21],[117.19,72.83],[94.96,65.98],[74.81,58.75],[56.86,51.23],[41.23,43.47],[27.98,35.5899],[17.25,27.71],[9.1299,19.87],[3.62,12.12],[0.72,4.49],[0.27,-2.68],[2.89,-8.84],[9.06,-14.5],[18.29,-20.23],[30.27,-25.8],[44.83,-31.03],[62.02,-35.66],[81.93,-39.71],[104.46,-43.36],[129.39,-46.57],[156.55,-49.37],[185.74,-51.72],[216.77,-53.61],[249.43,-55.03],[283.49,-55.94],[318.73,-56.32],[354.9,-56.13],[391.77,-55.28],[429.16,-53.71],[466.91,-51.32],[504.79,-48.01],[542.98,-43.68],[581.64,-38.63],[620.49,-33.23],[659.25,-27.72],[697.62,-22.31],[735.26,-17.18],[771.81,-12.5],[806.8999,-8.4],[840.16,-4.97],[871.2,-2.28],[899.63,-0.33],[925.11,0.9],[947.28,1.48],[965.87,1.54],[980.63,1.22],[991.32,0.7],[997.82,0.22]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=sg6040_points);