// Points from s1223rtl.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/s1223rtl.dat

s1223rtl_points = [[1000,0],[993.582,5.174],[984.237,12.721],[973.452,19.959],[960.621,26.718],[945.173,33.431],[926.643,40.4259],[904.88,47.7389],[880.167,55.249],[853.151,62.781],[824.589,70.17],[795.13,77.285],[765.239,84.0299],[735.204,90.329],[705.148,96.131],[675.0699,101.41],[644.888,106.168],[614.467,110.429],[583.6559,114.241],[552.304,117.672],[520.314,120.811],[487.697,123.75],[454.605,126.565],[421.337,129.2899],[388.3249,131.899],[356.059,134.296],[325.061,136.3389],[295.869,137.848],[268.8209,138.607],[243.816,138.418],[220.493,137.168],[198.517,134.818],[177.661,131.353],[157.772,126.772],[138.774,121.094],[120.658,114.364],[103.478,106.654],[87.3469,98.106],[72.46,88.966],[59.065,79.596],[47.376,70.398],[37.469,61.702],[29.259,53.661],[22.548,46.281],[17.103,39.506],[12.701,33.277],[9.153,27.538],[6.314,22.235],[4.076,17.315],[2.365,12.727],[1.128,8.432],[0.3379,4.397],[-0.008,0.603],[0.1399,-3.015],[1.0399,-6.532],[3.093,-9.594],[6.271,-11.793],[10.197,-13.209],[14.706,-14.13],[19.836,-14.738],[25.728,-15.128],[32.603,-15.34],[40.784,-15.363],[50.745,-15.157],[63.1599,-14.648],[78.892,-13.726],[98.681,-12.263],[122.421,-10.1291],[149.036,-7.205],[177.612,-3.422],[207.911,1.142],[239.707,6.2509],[272.5,11.665],[305.752,17.205],[338.93,22.7039],[371.726,28.03],[404.038,33.089],[435.847,37.798],[467.163,42.089],[498.031,45.901],[528.494,49.183],[558.616,51.898],[588.443,54.011],[618.027,55.499],[647.402,56.339],[676.616,56.516],[705.6869,56.018],[734.636,54.839],[763.4379,52.976],[792.049,50.432],[820.34,47.218],[848.075,43.37],[874.835,38.946],[900.011,34.06],[922.918,28.856],[943.064,23.463],[960.352,17.954],[975.001,12.374],[987.341,6.802]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=s1223rtl_points);