3D Technology Simulators
These simulators are interactive 3D tools that open in your browser, with nothing to install. Instead of just reading the theory, you handle the concept —you move a mechanism, build a circuit or run an engine— and learn by experimenting. I built them for my own Technology classes, and they are free.
1Pick a simulator from the list below.
2Open it full screen.
3Change the values, drag things around and watch what happens.
Breadboard Simulator: Online Electronics LabBreadboard simulator online for secondary school electronics: place each component with two taps and the circuit solves itself.…
4-Stroke Engine Simulator (Otto and Diesel)4-stroke engine simulator for high school: the 3D cutaway engine and its pressure-volume diagram, synchronized stroke by stroke,…
Gear Train Simulator: Simple and CompoundGear train simulator in 3D: build a simple train of 2 to 4 gears, with idler gears, or…
Pulley System Simulator: Block and TacklePulley simulator in 3D: a fixed pulley, a movable pulley and block and tackle systems, factorial and exponential,…
Orthographic Projection PracticeOrthographic projection practice with real parts: sloped faces, steps, slots and hidden lines. Rotate the part in 3D…