Propane was first identified as a volatile component in gasoline by Walter O. Snelling of the U.S. Bureau of Mines in 1910. This beaded molecule was created by me last week.
The bead work is stiff yet flexible, and shows a variety of moods when posed. In some poses it resembles a poodle. It has many holes as big as 2mm to string it.
It's hard to measure how big it is precisely, but it's longest measurement is about 1 1/2 inches (3 cm). Here it is sitting on a quarter dollar. It's for sale, cheap, just in case you need it. Click the photos. Thanks for looking.