// Points from e71.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/e71.dat

e71_points = [[1000,0],[997.09,0.89],[988.72,3.58],[975.6,7.86],[958.25,13.12],[936.76,18.72],[911,24.38],[881.1,30.13],[847.42,35.92],[810.35,41.6],[770.29,47.06],[727.68,52.13],[682.92,56.67],[636.45,60.56],[588.7,63.7],[540.11,66.03],[491.12,67.5],[442.21,68.12],[393.86,67.9],[346.57,66.84],[300.81,64.94],[257.04,62.24],[215.68,58.76],[177.12,54.55],[141.74,49.68],[109.85,44.19],[81.72,38.19],[57.57,31.78],[37.55,25.11],[21.77,18.34],[10.29,11.71],[3.09,5.52],[0.02,0.37],[2.15,-2.94],[10.1099,-4.9501],[23.41,-6.05],[42.08,-6.04],[66.0599,-5.01],[95.25,-3.03],[129.45,-0.27],[168.36,3.09],[211.61,6.83],[258.71,10.74],[309.12,14.63],[362.22,18.31],[417.36,21.6],[473.82,24.38],[530.8699,26.51],[587.7599,27.9],[643.73,28.48],[698,28.23],[749.83,27.14],[798.5,25.26],[843.3,22.64],[883.6,19.4],[918.8,15.64],[948.33,11.49],[971.47,7.13],[987.63,3.29],[996.97,0.82]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=e71_points);