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Like other boomers, I put my childhood postwar trains away when the kids lost interest in their teens. But grandchildren brought them back out. For us, the train table is in the corner of the living room on top of an old cedar chest we need to access only once a year. After 4 years of seeing how kids love it and interact creatively with the scene and trains, I wanted a larger table so that one day I could run a Shay. That means a 36" curve. I also wanted to enhance the "playability" for the creative but less train obsessed grandchildren. So I started building a new design to upgrade from the 30x62" table and implement as many of the lessons learned from the last 4 years.
Goals are:
This is the design using RailModeller Pro:
I chose to build the table grid of 2x2" to provide strength to overhang 12-14" past base. Everything uses half lap joints so grid is all in the same plane. The lumber and joints are incredibly stiff.
Channels on top of grid allow wiring to be passed through between grid and table top
Luan screwed and glued with silicon add stability and a strong surface to attach things under the table.
1" extruded polystyrene foam for the base glued to luan using foamsafe LiquidNails Projects. I didn't know it but there's white which cleans up with water and tan that requires mineral spirits. Also, I didn't know the XPS comes pre-scored from the factory for 16" or 24" pieces. That makes it tool free to fit into an SUV.
Goals are:
- Be able to drive 3 trains and a bump and go trolley simultaneously.
- Minimize/Eliminate derailments due to switches
- Make places on table for multiple children to play/interact with buildings, animals and people
- Fit in 40x72" table with space for kids to access at least 3 sides
- Mountainous Winter wonderland scene with tunnel and few/none flat areas
- Enable small Christmas tree to be placed on the table at Christmas
- Eliminate all tubular track and use Atlas track with cork bed
- Make table height kid friendly
This is the design using RailModeller Pro:


I chose to build the table grid of 2x2" to provide strength to overhang 12-14" past base. Everything uses half lap joints so grid is all in the same plane. The lumber and joints are incredibly stiff.


Channels on top of grid allow wiring to be passed through between grid and table top


Luan screwed and glued with silicon add stability and a strong surface to attach things under the table.

1" extruded polystyrene foam for the base glued to luan using foamsafe LiquidNails Projects. I didn't know it but there's white which cleans up with water and tan that requires mineral spirits. Also, I didn't know the XPS comes pre-scored from the factory for 16" or 24" pieces. That makes it tool free to fit into an SUV.


