Once the plug was removed and the mold buffed out on the inside, we built three dinghies. The first was a test model to see how it would fit and how it would sail, row, and carry cargo. The second hull was a dud-it had so many blemishes that they weren't worth fixing, so we set it aside and very carefully built a third. That one came out perfect-strong, light, and roomy-and with the data gathered using the test model, it possessed sufficient flotation to keep it floating if swamped and had the mast partner and oarlocks in their proper places. We later sold the test model on craigslist.