Portals - Liners - Retaining Walls

Above: Model of tunnel 2 in scenery. HO scale.

The ZYX Creative Tunnel System is made up of portals, retaining walls (wings), liners and custom liners. Liners are optional, sold separately and integrate easily with portals. Extended your liners with additional liner sections. Curved liners are customized according to your radius specifications. Existing tunnels will require customer supplied tunnel center line drawings if the exact radius is unknown. Minimum radius is 25″ for HO; 13.6″ for N etc. It is also possible to customize the build date on the face of the portal (included in the price). See tunnel components below.