A community-driven portal from the National Institutes of Health for sharing 3D files suitable for use in augmented and virtual reality applications or 3D printing.
3DModelDB is a collection of 3D printable versions of published neuron morphologies, both traced and artificial. Each printable model is associated with a morphology suitable for running simulations.
A web-based tool hosted by Portland State University that can be used to download CIF files from the Crystallographic Open Database and convert those 3D models to 3D printable formats.
Sources of Models of Biological Specimens for 3D Printing