// Points from glennmartin4.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/glennmartin4.dat

glennmartin4_points = [[1000,14],[950,55.8],[900,75.2],[800,99.3],[700,118],[600,132.2],[500,143.9],[400,152.5],[300,154.2],[200,146],[150,134],[100,114.4],[75,100],[50,79.8],[25,58.1],[12.5,45],[0,18.5],[12.5,8.5],[25,5.1],[50,1.3],[75,1],[100,0.1],[150,0],[200,-0.1],[300,-0.7],[400,0.1],[500,0.5999],[600,1.3],[700,4.3],[800,6.1],[900,9.2],[950,9.8]];

linear_extrude(height=20)
scale([15, 15])
translate([0,0])
scale (0.001)
polygon(points=glennmartin4_points);