Check out these signs plus much more at www.fairweatherfoundry.com
Crossbuck: $30.00 Unpainted.
Truck set (Bolster & 2 side frames) $50. Unmachined.
or $90 per pair (2 Bolsters & 4 side frames.
There are no prints or sketches for these. Once you set down and measure things out, it's quite easy to figure out the cuts. You do need a milling machine and a good mill vice.