The original creator of this type of train track offers just such a support piece.[0] You can also 3D print your own supports![1] [0] http://i.ebayimg.com/00/

The original creator of this type of train track offers just such a support piece.[0] You can also 3D print your own supports![1] [0] http://i.ebayimg.com/00/s/MTIwMFgxNjAw/z/DAUAAOSwGvhT3ny3/$_35.JPG http://i.ebayimg.com/00/s/MTIwMFgxNjAw/z/DAUAAOSwGvhT3ny3/$_... [1] http://www.thingiverse.com/thing:110221 http://www.thingiverse.com/thing:110221