Mastering Motion with a Planetary Gear Simulator

If you've ever tried to build a compact gearbox from scratch, you know that using a planetary gear simulator is the only way to keep your sanity while figuring out complex ratios. There's something incredibly satisfying about watching those gears spin in perfect harmony on a screen before you ever commit to cutting metal or firing up a 3D printer. It beats the old-school method of sketching circles on a napkin and hoping the math checks out once the teeth finally meet. ...

May 17, 2026 · 7 min · Myranda Balsano