"The O Scale Resource" is an online publication. Their latest issue contains two articles devoted to card modeling.
Home page:
Home - The O Scale Resource
Jan/Feb 2019 issue:
The O Scale Resource - January February 2019
The online viewer is somewhat difficult to read with small screens, but the articles are definitely worth viewing. (Plus, there's links to free models!)
David Meek's fantastic Thunder Mesa Mining Co. Is inspired by Disneyland's Big Thunder Mountain Railroad, the old Nature's Wonderland Railroad and even nods to Knott's Berry Farm's Calico Mine Ride and John Allen's Gorre & Daphetid. His January 12, 2019 Facebook post has a free download of a doghouse now seen along the new tracks of the Disneyland Railroad:
https://www.facebook.com/ThunderMesaStudio/
Remember the line, "We named the DOG 'Indiana""? ;-)
Also check out
Thunder Mesa Studio – The Creative World of D.L. Meek for more photos of David Meek's model railroads.
David T. Okamura