HAVANA, Sept 15 — Using a Soviet-era planer, Rene Reyes smoothens the panel of an old cedar door that he will transform into a humidor — an ornate, handmade box used to preserve Cuba’s famous cigars.

If your cigar enthusiasm has escalated to the point where you have multiple desktop humidors you may want to scour Craigslist for a non-working dorm or beer fridge and convert it into a large humidor ...