Magnet
Field lines of three charges, one riding the pointer
The field lines of three charges, drawn as smooth curves that fan out of each pole and loop into the next, over softly shaded equipotentials. The pointer carries the third charge, so dragging it re-routes every line on screen.
Rendering cost: light. A few samples per pixel: fine fullscreen at full pixel ratio, including on integrated graphics. How to tune it
Tune Magnet free. Take it when you are ready.
The background itself, with your settings already saved in, ready to drop into your site — this one and the other 60. Paid once, no subscription, and every background added later is included. What you get.
$9.99$19.99once
Coupon
No account needed — pay first, sign in after.