Bilge Pump MA3200 Collar Replacement with Prop Mount

The inside of the mesh is messy, but good enough to print and work(May clean it up once I get around to it). I made this after the struggle to find enough MA3200 MastersAirscrew collars for the underwater drone bilge pump motors. Plus original version had too much hardware and decided to combine the https://www.thingiverse.com/thing:639240 base plate to make it less complex. The side screw is an M4 screw and nut. The stem is tight and has to be reamed out at the bottom, but needs to be tight to