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The circular panels on the pod interior as supplied by Moebius are, bizarrely enough, moulded in clear plastic. I'm not sure why this was done, since the whole panel didn't light up or anything. They also made it a circle with either 3 or 6 circles and 3 squares. This isn't quite right.
In fact, each panel had 3 square illuminated pushbuttons at the bottom and either 3 (port side) or 6 (starboard side) black plastic paddle (flip) switches. This isn't clear in the movie, but I was able to track down high-resolution photos in the Kubrick Archives which clearly indicate that's how the panels were made.
Incidentally, if you'd like these round discs plus a ton of other internal greeblies, I have a full set available.
Now amusingly enough in the movie the panels change position from shot to shot. Sometimes the switches are at the top, sometimes they're at the bottom, and in one instance they're rotated 90 degrees! The correct orientation is with the three blue square pushbuttons at the bottom.
I know this since they had text on them. If you're interested the starboard panel's buttons were light blue plastic, and they had the words "POWER ON", "DISPLAY", and "POWER OFF" written on them in white. I wasn't able to find high-rez enough photos of the port panel to know what its buttons read. I also wasn't able to confirm if the port panel buttons were pale green as they appear in the film.
I produced these panels as separate parts to make it easier to light and paint. This lets you light-block the circular panels with silver and black paint, then install the squares for lighting.
The switches had shiny chrome rings and black centres and levers, and having them separate pieces makes it easier to paint them. I'd recommend using a silver pen to colour in the rings, having painted the switches black.
Tamiya blue and green clear acrylic paint is good for the buttons, which appear to have been pale green on the port side and pale blue on the starboard side. The panels as a whole were satin black, with white silkscreened rectangles drawn around the switch group and the button group.
I also supplied an extra set of three switches in case of breakage, since they're so fragile. That, incidentally, is why I built a protective cage around the switch components. Use a fine-tipped sprue cutter (the kind with blades that squeeze together, not the type that shear or cut across each other) to snip off the sprues. Be careful as the parts are insanely delicate!
The switches appear to have always been in the up position. Note that there was a tiny alignment notch on each switch, and it was always on the left side.