module Railprofiel (L) { linear_extrude (height=L,convexity=10) polygon ([[-3.3,0],[-3.3,0.5],[-0.7,1],[-0.7,5],[-2,5.5],[-2,6.7],[0,7],[2,6.7],[2,5.5],[0.7,5],[0.7,1],[3.3,0.5],[3.3,0]]); }; // einde module Railprofiel Railprofiel (100);