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Spaceman Spiff

Spaceman Spiff is an imaginary hero of Calvin, by Bill Watterson.

I've modelled this Spiff for one of my graduate mentors, Maurice Dohmen, for attaining his PhD degree.
His PhD thesis is about constraint-based feature validation, and he and Klaas Jan made a prototype multiple feature-view modeling system called Spiff. Spiff stands for System for Product modeling by Interaction on Form Features, but the name appears to have a secret relation with the famous Spaceman Spiff, interplanetary explorer extraordinaire, hence this model.

Spaceman Spiff is modelled over an iron wire skeleton with aluminium foil. He stands on a feature model with a piece of styrofoam as a base. See course for details about how it was made.