Mobius maze

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Randomized maze on Möbius strip. Based on OpenSCAD 2019.05. You can set angle to 180 * n in the .scad file. For example, if you set angle to 0, it's just a circular maze. Clean code based on the dotSCAD library. include <hull_polyline3d.scad>; include <rotate_p.scad>; include <square_maze.scad>; rows = 48; columns = 8; block_width = 2; wall_thickness = 1; angle = 180; leng = rows * block_width; radius = 0.5 * leng / PI; a_step = 360 / leng; blocks = go_maze( 1, 1, // starting point starting_maze(rows, columns), rows, columns, y_circular = true ); walls = maze_walls(blocks, rows, columns, block_width, bottom_border = false); for(wall_pts = y_twist(walls, angle, rows, columns, block_width)) { z_rotated = [for(pt = wall_pts) rotate_p([radius + pt[0], 0, pt[2]], a_step * pt[1])]; hull_polyline3d(z_rotated, wall_thickness); }