We set up a shower shortly after arriving to Belize. We built a gravity-fed shower directly below the rain barrel and at first, we just bordered three sides with plywood. The shower stayed this way for months, but it was still an improvement over spraying yourself off with a hose in the yard. In the last couple of months we decided to finish the shower off, and do it right, which meant that we started working with the bamboo for the first time. We decided to use whole, round pieces of small bamboo, which meant that we had to find hundreds of lengths of reasonably straight pieces of babmoo, measure cut and nail into one exterior side and three inside walls.
It ended up being a ton of work, tedious at times, and took forever to really call "done". We added a shelf and bench, both made of mahogany, a standing platform that sits atop of some local river rocks, and a mirror. The bench makes it easy to sit down and get your feet nice and clean. The mirror makes it much easier to shave, or at least better than using the truck window. We added some bamboo doors and it has been the most amazing shower EVER!