// Simnple OpenSCAD script to create a terrain tile from UK government mapping data. vertical_exaggeration = 1.0; // Change this to emphasise the height. // Create a 125mm x 125mm square tile (5" x 5"). scale( [0.25,0.25,0.125 * vertical_exaggeration] ) translate( [0,0,0] ) mirror( [1,0,0] ) surface( file="h:/rail/elevation/4755.txt" );