Cartoon model of spasmolytic peptide. A protein with little secondary structure.

based on PDB entry 2PSP:

http://www.rcsb.org/pdb/explore/explore.do?structureId=2psp

The disulfide bridges are represented as spheres.

STL file created using VMD:
http://www.ks.uiuc.edu/Research/vmd/

Successfully printed by a Replicator 2 in PLA using MakerWare(TM) 2.2.2.89, standard resolution (3 shells, 25% infill), with raft and supports.