The original 3D model and concept for this lightbulb-shaped starship was from Masao Okazaki's Starfleet Museum.
The Starfleet Museum is an extended piece of fan fiction, created by me, Masao Okazaki, describing a conjectural history of Starfleet and the United Federation of Planets predating the original Star Trek seriesBesides this Amarillo CC-33 papercraft, Marc also has other Star Trek papercraft models in his site. Most notable is this K't'inga-class battle cruiser - a warship used by the Klingon Imperial Fleet from the late 23rd century through the late 24th century.
Follow the link below and for more Star Trek goodies.
Star Trek Papercraft - Amarillo CC-33 & Klingon K'Tinga
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