shark pen holder 3d model

Design a PEN HOLDER shaped like a shark, with the OPEN MOUTH as the container. Shark positioned vertically, head UP, jaws WIDE OPEN facing up. Mouth opening: 55mm wide x 35mm x 40mm deep cavity, holds 10+ pens. Triangular teeth as ridge details around mouth rim. Fins and tail sculpted on body as decoration. Tail/fins form stable base. Total height 130mm. Sleek modern style, slightly aggressive but fun. The OPEN MOUTH IS THE CONTAINER - clearly hollow. Interior smooth. Print-ready FDM, supports under jaw if needed, standard PLA.