Designed with QCAD software, TTSH front panel inserted.
With temporary paper template.
This didn't quite work out as perfect as wanted.
Aluminum-like printout with text and symbols.
Top view of panel and connector board mounted together.
Front view of panel and connector board mounted together.
The aluminum got quite scratched during the drilling of the holes.
Paper template to center the holes.
The white chip is the 6N137 optocoupler.