Educational

• Houdini Foundations
• Chamferzone
• Entagma
• Game Tutorials
• Pirat Portfolio | Designing Weapons for FPS Games
• Plural Sight
• Polycount
• The Gnomon Workshop

Blueprints, Reference Drawings and CAD Files

• Armor and Arms Collection by Solange Spilimbergo Volpe
• The-Blueprints
• Collector's Firearms
• Drawing Database
• Dimensions of Everyday Objects
• Forgotten Weapons | YouTube
• Google Patents Search
• International Military Antiques | Original Antique Guns