Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
33333667 has only one member. 333345577 haas four members, requiring two views.
Both classes have a single heptagon face, and can be represented in a single view.
Eight members, requiring a view of each heptagon base face. Two are symmetrical and are shown using another base face to display the symmetry.
Created 29 October 2016, Last Update 30 October 2016
Not an official UW Green Bay site