3D Printer Store - San Dimas, CA (has 3D printing class)

3D Printer World - Expos, Education, Industry News

3D Models

Links to Free 3D Models for 3D Printing #1
Links to Free 3D Models for 3D Printing #2
Free 3D Print Files
www.thingiverse.com
www.youmagine.com
www.instructables.com
Print BeagleBone Black case

CAD Software

OpenSCAD
TinkerCAD (simple web-based CAD tool)
Blender (free software for creating 3D models)
DesignSpark (free 3D design software)

Host and Slicing Software

www.repetier.com (Linux/Windows)
www.repetier.com (Mac)

OctoPrint Web interface for your 3D printer (also runs on Raspberry Pi)

Settings and Configuration Files for Bukobot 3D Printer

www.bukobot.com/host-slicing-settings

Miscellaneous

Autodesk 123D (apps, models, etc.)

Web based file processing - analyze, check and repair STLs

OpenSCAD "Stuff"

Skeinforge - Tools that converts 3D models into G-Code for RepRap 3D printers

www.peachyprinter.com - World's cheapest 3D printer