This is a (wall) mount for the SLZB-06 Zigbee controller. The wall mount is printed in 3 pieces for optimal strength, there is a large and a small clip and two nubs to keep the SLZB-06 in place. Mount the plastic with 2 or 3 screws to the wall, or use some double sided tape. Then snap the Zigbee controller in place. The The optimal printing position is shown in the 3mf file. I have printed this in PETG and can recommend using filament that can sustain a bit of flexing.
I hope this mount helps many others to position their Zigbee controllers in an easy and nice looking way :-).