N scale Code 80 MT track 104.2mm length with modular bed and dam

This design is a fully modular railroad track with track bed and some railroad embarkment. Total length is 104.2mm which fits to the standard length of MT tracks no. 4904 or 4902, if you use three pieces.

There are four different catenary supports available for this design: http://www.thingiverse.com/thing:1593251