Hewlett Packard’s 3D Printing Glossary (thanks Lyndhurst STEM Club!!)
Protolab Hubs 3D Printing Knowledgebase
Bolt Depot Guide to Fasteners
McMaster Carr
CNC Cookbook References and Calculators
Rockler Crosslap Spacing Calculator
UNC Chartfield Checker
NC DOT Regional Highway Webcams
3D Slicer for Medical Imagery
ITK-SNAP for Medical Imagery