The main panel basis is made from 5mm plywood. After holes cutting the panel has been sanded and painted by primer then by spray paint (DAP Touch'n tone - "Appliance White"). The sheets of 4mm PVC were used for the left and right cover plates of main flight instruments and radio panel.
Emergency switch is made from 2-3mm PVC and top parts of the red switch (See original ELT-200).
The photos below show how the small encoder from the mouse is placed in the 5-mm panel.
... the mouse wheel axle is used for the knobs shaft.
KAS-297 Altitude Selector allows you pre-select desired altitude when using autopilot KFC-200. First picture shows the real KAS-297.
KDI-572 unit is used to display information from a remote DME Receiver/Transmitter (KN-63).
King KA 285 Annunciator Panel ...
KA-51B Slaving Meter indicates the difference between the displayed heading and the magnetic heading. Indicator is not operational in this cockpit sim, it's just for authentic representation. Made from PVC of 1-43 mm, for small indicator window the piece of half-cylinder plexi was used. First picture shows the real KA-51B.