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Content import display, utime, math model = [ ((-1.0, 1.0,-1.0),( 1.0, 1.0,-1.0)), (( 1.0, 1.0,-1.0),( 1.0, 1.0, 1.0)), (( 1.0, 1.0, 1.0),(-1.0, 1.0, 1.0)), ((-1.0, 1.0, 1.0),(-1.0, 1.0,-1.0)), ((-1.0,-1.0,-1.0),( 1.0,-1.0,-1.0)), (( 1.0,-1.0,-1.0),( 1.0,-1.0, 1.0)), (( 1.0,-1.0, 1.0),(-1.0,-1.0, 1.0)), ((-1.0,-1.0, 1.0),(-1.0,-1.0,-1.0)), ((-1.0, 1.0,-1.0),(-1.0,-1.0,-1.0)), (( 1.0, 1.0,-1.0),( 1.0,-1.0,-1.0)), (( 1.0, 1.0, 1.0),( 1.0,-1.0, 1.0)), ((-1.0, 1.0, 1.0),(-1.0,-1.0, 1.0))] def to_screen_coord(coord): z = (coord[2]+3.0)/20.0 x = coord[0]/z y = coord[1]/z screenx = int(x)+80 screeny = int(y)+40 return (screenx,screeny) def translate(coord, t): return (coord[0]+t[0], coord[1]+t[1], coord[2]+t[2]) def rotatey(coord, t): s = math.sin(t) c = math.cos(t) return (coord[0]*c-coord[2]*s, coord[1], coord[0]*s+coord[2]*c) with display.open() as d: start = utime.time_ms() while True: d.clear() time = float(utime.time_ms()-start)/1000.0 offset = math.sin(time)+0.5 for line in model: c1 = to_screen_coord(rotatey(translate(line[0], (0.0,offset,0.0)), time)) c2 = to_screen_coord(rotatey(translate(line[1], (0.0,offset,0.0)), time)) d.line(c1[0], c1[1], c2[0], c2[1], col=(255,255,255)) d.update()