Thanks guys, that would make sense. Would be trivial to figure this out myself if only I had one on hand instead of just having seen few of those in passing. Actually, 3D printing the "interruptor" part was my original idea but then I figured why deal with small details and tight-ish tolerances if there's something ready-made available. Now, that I'm back to it being my only option, this is totally fine. Thanks again!
Cheers,
Zbig