3d printable Helical Screw
: Water Pump
operation demo, Experiments
, Appliance Leveler Legs - Note: Custom height may be adjusted by 3d printing the right size as screwing acrylic on to metal appliance bottom tears off the threads if the threads are screwed on too deep into the appliance metal interior.
: Scratch-free Acrylic
for appliances, Steel Alloys for demos
: Calculator Check, Periodic Table, Dictionary, Audiobook, Software tutorials