Tuesday, 29 September 2026

Using FEA simulation for a custom 3D-printed door lock

Using FEA simulation for a custom 3D-printed door lock
When moving into my shared university accommodation, the first thing that I noticed was that the door to the bathroom was lockless, just a metal knob on both sides, with the only security being the trust between flatmates. At this point, most people would have created a bathroom schedule and timings…

Friday, 9 January 2026

Making a mini portable Chladni plate for under £4

Making a mini portable Chladni plate for under £4
A Chlandi plate is a very flat peice of metal that vibrates up and down at a high frequency, used for educational purposes to visually demonstrate standing waves and resonance. It is usually powered by a mechanical solenoid attached to the middle of the plate, and the vibrations cause standing wave…