vendors
       McMaster-Carr
       Stock Drive Products
       Amazon Industrial
       Misumi
    
    principles
       stress-strain
       stiffness, strength, hardness
       Maxwell criterion
       moduli
       elastic, plastic flow
       friction
       spalling
       hysteresis
       backlash
       force loops
       elastic averaging
       kinematic coupling
       accuracy, precision
    
    materials
       plastic
       metal
       rubber
       foam
       garolite
       wood
       cement
       ceramic
    
    adhesives
    
    fasteners
       nuts
       bolts
       washers
       heat-set inserts
       rivets
       pins
    
    framing
       metal
       plastic
       t-slot
       self-aligning
    
    drive
       gears involute cycloidal helical herringbone
       planetary
       rack and pinion
       sprockets
       belts
       thread
       capstan
       chains
       shafts
       rods
       nuts
       threadless
       harmonic
    
    guide
       shafts
       rails
       slides
    
    couplers
       shafts
       joints
    
    bearings
       ball
       thrust
       linear
       rotary
       sleeve
       pillow blocks
       skateboard
       preload
    
    rotary
       wheels
       pulleys
       casters
       omni OmniBot
    
    lubricants
    
    cables
       ties
       hook and loop
       carriers
       wire
       fiber
    
    liquids
       pipe
       tubing
       fittings
       pumps
    
    conveyors
    
    springs
    
    mechanisms
       flexure, stage, OpenFlexure
       series elastic
       linkage
       movements
       whippletree
       pantograph
       deltabot
       hexapod
       CoreXY
       Sarrus
       Hangprinter
       Hoberman
       Strandbeest
    
    group assignment
       - design a machine that includes mechanism+actuation+automation+application
       - build the mechanical parts and operate it manually
       - document the group project and your individual contribution