Halyard Stopper Ball

FREE parametric HALYARD STOPPER BALL by MarineLab3D. A ball stopper that threads onto your halyard (or any line) and stops it from running up into the mast or through a block/sheave. 📏 Through-hole = halyard Ø + 1 mm (set your line size)🪢 A wider seat (+75%) at the bottom houses the stopper knot, blended to the hole with a chamfer (svasatura)🟢 Rounded / eased openings so the line does not chafe🌀 Spherical body — smooth, snag-free 🧵 Best printed in PETG, ASA or Nylon for outdoor/UV durabili…

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