More than four years ago, I was hired by a client in Sydney, Australia, to design a spectacular double-deck HO sale model railroad for him to enjoy during his upcoming retirement. Since then, the available space has changed somewhat, as have some of his desires.
The original layout design was described here:    • Custom layout design for a customer i...  
Part 1 of this design is here:    • Spectacular HO layout design for Sydn...  
If you are in the market for a custom model railroad design and/or build, please contact me at: https://www.superiormodelrailroads.com