// Points from bacj.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/bacj.dat

bacj_points = [[1000,0.95],[990,3.15],[979.999,5.34],[969.999,7.521],[950,11.83],[929.999,16.02],[900,21.99],[859.999,29.19],[819.999,35.43],[780,40.691],[740,45.011],[700,48.471],[649.999,51.79],[599.9989,54.13],[549.999,55.62],[499.999,56.341],[449.999,56.32],[400.001,55.62],[350.001,54.261],[300,52.311],[260,50.3],[220,47.88],[190.001,45.76],[160,43.22],[140.0009,41.211],[120,38.88],[100,36.17],[80.001,33.04],[69.999,31.29],[60,29.4],[50,27.351],[40,25.08],[32.001,23.05],[26.001,21.36],[19.999,19.46],[14,17.17],[12,16.24],[10,15.191],[8,13.98],[6,12.51],[5.001,11.63],[4,10.61],[3.001,9.39],[2,7.82],[1.399,6.57],[0.8009,5.001],[0.4,3.59],[0.2,2.6],[0.101,1.68],[0,0],[0.101,-1.62],[0.2,-2.5],[0.4,-3.54],[0.8009,-4.949],[1.399,-6.49],[2,-7.71],[3.001,-9.35],[4,-10.619],[5.001,-11.799],[6,-12.779],[8,-14.4],[10,-15.759],[12,-16.88],[14,-18.009],[19.999,-20.779],[26.001,-22.96],[32.001,-24.9101],[40,-27.149],[50,-29.54],[60,-31.589],[69.999,-33.35],[80.001,-34.8891],[100,-37.39],[120,-39.299],[140.0009,-40.82],[160,-42.01],[190.001,-43.4091],[220,-44.4501],[260,-45.4],[300,-45.81],[350.001,-45.88],[400.001,-45.079],[449.999,-43.379],[499.999,-40.59],[549.999,-36.59],[599.9989,-31.309],[649.999,-24.899],[700,-17.679],[740,-11.96],[780,-6.139],[819.999,-1.319],[859.999,2.141],[900,3.88],[929.999,3.941],[950,3.34],[969.999,2.2399],[979.999,1.491],[990,0.61],[1000,-0.41]];

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