Container 20 feet flat HO model train

A NUMBER OF OTHER CONTAINERS TO BE FOUND UNDER 'phildc' in this site !
(maritime, office, house, building site, tank, .... )

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The "youngest" models:
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https://www.thingiverse.com/thing:6205914

March 17, 2020:
Ref also to newer models;
https://www.thingiverse.com/thing:4190818
https://www.thingiverse.com/thing:4227204

For enhanced versions, still under test, look at my " HO container 2020"

https://www.thingiverse.com/thing:4190818

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For HO model train
The "interlock" files should be used for lower and intermediate containers.
The old files are for the upper container.
The "interlock" files are not yet tested. Awaiting your comments. See the comments.