AA sentry Box model railroad. DIY, ( O OO HO TT120)

Deebeezyart and Railroad Rod have produced a tutorial to show how to make your own AA sentry box for model railways.
Download the pdf and print. Follow the tutorial to produce an AA sentry box,
Print out accordig t instructions to make the following guages
O OO HO TT120
template link:
deebeezyart.com...
deebeezyart.com...

[@SteveZodiac-g1z]

Finally models for TT120, thankyou