Magnet Grid

This is a simulation of a grid of interacting magnets. The magnets interact with each via a long-ranged dipole-dipole interaction, which scales as the inverse of the distance cubed.

The grey arrows shows the direction and scale of the magnetic field at different field points.


  • LMB: Click and hold on the left mouse button to point a nearby magnet in the direction of the mouse.
  • 1: press to spawn a pair of magnets.
  • 2: press to spawn a line of magnets.
  • 3: press to spawn a grid of magnets.
  • 4: press to place a magnet at the mouse position.

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