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Design, simulate, and analyze planar linkage mechanisms directly in your browser. MechSim is a high-performance, zero-install kinematic simulator built for engineers, students, and makers. Featuring a robust Newton-Raphson constraint solver, it delivers professional-grade accuracy for complex 2D motion. Sketch your ideas, iterate in real-time, and visualize velocity or acceleration without the bloat of traditional CAD. Powerful, accessible, and 100% free. Engineering simplified.
MechSim — Kinematics simulatorSimulate planar mechanisms in seconds. No install required
Luis Suzzarinileft a comment
Hi Product Hunt! I built MechSim because I was tired of firing up heavy CAD software just to test a simple linkage idea. As an engineer, I needed something fast, free, and browser-based—no bloat, no licenses, just mechanics. So I built it. What it does: Sketch & Simulate planar mechanisms in seconds with an intuitive interface Analyze motion in real-time (velocity, acceleration, constraints)...
MechSim — Kinematics simulatorSimulate planar mechanisms in seconds. No install required