automobile autoparts camshafts car circle colorful engine gear gears manufacture mechanic mechanical metal motion motor motorcycle objects parts shine building construction cut disposal garbage heap load pile recycle recycling rubish scrap splinter splintered sundconst sundwaste texture timber waste wood asphalt concerete crush crushed pebbles rocks stones brick bricks brickwall brickwalls concrete mortar tiles wall walls arcs crossing curves fantasy Fractal fractals light lines magic magical patterns rays shades shape shapes stripes sundfractals textures tracks background desktop wallpaper