The Bathroom
The bathroom in the van is disguised as a bench that houses a porta-potty that slides out on a little tray. Also hidden underneath the bench is my diesel heater. At the time of writing, I still have not used the toilet...emergencies only!
3D Model
I relied on Sketchup again for the design. It was a really nice tool because other people had already made models of my toilet and heater, so I could ensure everything fit underneath.
Initial Assembly
Clearance was tight, but everything fits.
Slide-out Tray
The toilet sits on a tray with low-friction plastic rails screwed to the bottom.
Tray Slides
I screwed two rails to the floor of the van then filled in the gaps with rubber mat.
Gate Latch
The last step was to install a latch and drill a hole in the side of the door. I was worried about the latch blowing through the side of the plywood since it was so thin, so I epoxied a small piece of steel on the inside of the door for reinforcement.