There’s a very useful putty for watchmakers called Rodico, it can serve this purpose well and can also be stuck to a screwdriver to hold onto the screw while placing it, instead of relying on magnetism (no good in watchmaking to magnetize your screws, I figure cameras are similar, you can increase resistance to movement if magnetism pulls things together…)

I’ve also seen a clever technique of drawing a diagram of whatever you’re working on on cardboard, and stabbing the screw into the cardboard to keep track of where everything lives

I don't use anything sticky, but if it's my first time opening basically anything, one side of my working space becomes a map of the screws.

Roughly in the layout of the way they came out. Top to bottom, in layers, as it comes apart.

A habit from working on laptops in a warranty center. I might have to try some tape.

Thanks! After many lens teardowns with screws of varying lengths and magnetism, tape is truly king!