Key for Siemend PC/D, PC/X, PG and similar 1980s machines.
MCbx 2020

Useful if a keyboard got its key missing.
Printed successfully in Prusa Mk.3 in PLA, in 0.07 predefinition in Prusa slicer and with supports everywhere.
Remember about supports as bottom of keycap is not a bottom of a key - there are 2 protruding parts.

POST-PROCESSING:
If a key does not fit and protrudes, it may be needed to remove a bit of material from bottom part of a keycap.
Paint/apply proper character as the key is blank.