After my first miserable attempt to create a PhotoSynth in my living room, I sat down and read the RTFM, took 300 photos, but only got to 70% synthy. Needed more angles and connectors.
This one took 2.5 hours.
Trial and error, trial and error.
The post "PhotoSynth Strike Two" was originally assembled from spare parts of a 1957 Chevy at CogDogBlog (http://cogdogblog.com/2008/10/photosynth-strike-two/) on October 14, 2008.