1. Materials/Processes
1.1. Ply board
1.1.1. Laser cutting/marking
1.1.1.1. CAD/CAM
1.1.1.1.1. OnShape
1.1.1.1.2. Fusion 360
1.2. Joinery
1.2.1. Fasteners
1.2.1.1. Pins
1.2.1.2. Pins
1.2.1.3. Nuts and bolts
1.2.2. Mechanical Joints
1.2.2.1. Mortise and Tenon
1.2.2.2. Kerf cutting
1.2.2.3. Tapered pins/wedges
1.2.2.4. Halving Joints
2. Inspiration
2.1. Movies
2.1.1. Star Wars
2.1.1.1. AT ST 2 legged walker
2.1.1.2. AT AT 4 legged walker
2.1.2. Aliens
2.1.2.1. Xenomorph
2.2. Video Games
2.3. Nature
2.3.1. Animals
2.3.1.1. Insects
2.3.1.1.1. Ants
2.3.1.1.2. 8 legs
2.3.1.2. Horse
2.3.1.3. Octopus
2.3.1.4. 4 legs
2.3.1.5. Cat/Dog
2.3.2. Environment
2.3.3. Biomimicry
3. Mechanical Systems
3.1. Levers
3.1.1. Fulcrum
3.1.2. Linkages
3.1.2.1. Klann Linkage
3.1.3. Pivot Points
3.2. Rotational motion
3.2.1. Gears
3.2.2. Crank Wheel
3.2.3. Torque
3.2.3.1. Force (Newtons)
4. Electronic Systems
4.1. Switch
4.1.1. Open/closed curcuit
4.1.1.1. On/Off
4.2. Motor
4.2.1. Rotational Movement
4.2.2. Clockwise
4.2.3. Counter clockwise
4.3. Power
4.3.1. Battery Pack
4.3.1.1. 9v
4.3.1.2. AA
4.3.1.2.1. Possibly rechargeable
4.3.1.3. AAA?
4.3.2. Dc current
4.3.2.1. Positive/Negative terminals
4.3.2.1.1. Wiring