// challenge-bot // GNU AGPLv3 (or later at your option) // project available at these locations: // https://gitorious.org/ozzloy/challenge-bot // https://github.com/waynegramlich/challenge-bot use qr_size = 54; qr_height = 2; wall_width = 3; wheel_width = 6; wheel_radius = sqrt(2 * pow(qr_size / 2, 2)) + wall_width / 2; motor_shaft_radius = 3.7; motor_shaft_flat_width = 4.8; translate([-30, -0.6, 0]){ wheel_black(wheel_radius, wheel_width, motor_shaft_radius, motor_shaft_flat_width, wall_width);}