Just outside Havana, in the childhood bedroom of illustrator Edel Rodriguez, a washing machine engine welded to a boat propeller has become a makeshift fan. This kind of cobbled-together contraption is common in Cuba. So are stoves that run on diesel from trucks, satellite dishes made of garbage can lids and lunch trays, and taxi signs consisting of old fuel canisters. Cubans are masters of invention. They have to be. In 1960, President Dwight D.