OmniMount NPT12 Extension Pipe for Extending Projector and Flat Panel Ceiling Mounts

I'm chaffinch a DIY today's project is multi the projector to the ceiling so let's get started the first thing I'm going to want to do is find the center of the screen to the outside wall now I'm going to take that measurement and line it up to where the projector is gonna go where I draw my line is where I want the center of the projector lens to be now make the measurement for how far back I want the projector to be for my projector it needs to be 11 feet 9 inches away from the screen now I can add the bottom part of the universal mount to the projector the mounting kits include all kinds of different hardware so you just have to find the ones that work for your projector I take them up the three screws and it's ready to go next I'll attach the top part of the mount and hold it up to the ceiling so I know where the screws should go I'm just matching up the lens with the marks I alread