SO i made various sizes of spacers for my Sonoff SNZB-04 sensors to make them attach a bit easier to your doors/frame/trim.
Body 1 is the smaller piece, Body 2 is the larger piece.
I made each spacer at 3mm/5mm/10mm and 15mm.
I then made body 1 with some different contours for different door trim patterns. It doesnt need to fit to the contour/round edges perfectly, as (at least for me) the double sided tape will help out.
Hope this helps someone.
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