N Scale Train Viaduct Shelf

These are a series of viaducts for my N-Scale model railroad. You can wall mount them with the brackets I designed, or put them on piers. They're built to accommodate two pairs of Kato track. The viaducts are loosely designed after the precast Millennium Line Skytrain track in Vancouver.

They're built to be printed upright, on a big delta printer, with only a few walls of thickness on the bottom.

The main viaducts are 450mm long, and the each joiner adds about 10mm. The viaducts are plenty rigid for a 450mm span, and with plastic welded joiners can easily do spans of 910mm without any real give.

Each viaduct piece was about 350g on my printer. I used a 0.8 nozzle, 0.3236mm layer height and PLA.

I've also included various turnouts and variations that I used on my setup. Some have holes to hide your power cables, or run wires to switches.

I haven't included the end loop designs in this as they don't work quite as well as the straights do. I'm about to move, so I migh