Panasonic PT-SMZ16KCL Operating Instructions (Functional Manual) page 233

Chapter 7 Appendix — Precautions for attaching the Ceiling Mount Bracket
r Dimensions for the screw holes to fix the projector (projector bottom view)
Unit: mm
223 (8-25/32")
190 (7-15/32")
180 (7-3/32")
45 (1-25/32")
272 (10-23/32")
ENGLISH - 233