LibGuides: 3D Printing @ LaGuardia Community College Library Media Resources Center: What to Print

Sources for 3D Models

Autodesk 123D Gallery
Offers both free design software and models to download.
Dalhousie University Libraries 3D Repository
3D model files created and freely downloadable (biological models, etc.)
GrabCAD
3D model repository
MakerBot Thingiverse
Look here first -- largest collection of free stl model files.
NIH 3D Print Exchange
A source to download, edit and share models of anatomy, bacteria and lab equipment. Read about it here: http://io9.com/virtual-medical-library-lets-you-3d-print-models-of-vir-1599666646
3D Warehouse
Source for downloadable Sketchup model files.
MyMiniFactory

Thingiverse
from Makerbot - a place to share free printable 3D model designs
Shapeways
Make, buy and sell 3D printed products
Ponoko
Make, share, buy or sell 3D product designs
YouMagine.com
a file-sharing 3D printing community with a built-in web-based 3d modeling tool
My Mini Factory
Downloadable 3D models (some free); sign up for a free account to earn free credits toward downloads; upload your own designs to earn more credits (and can even charge for your models)