An encircled silver tree holding three lights: one crowning the canopy, two kept in the root hollows. The whole device renders in a single fragment-shader pass with every control point embedded as a constant. Each silver line is an authored quadratic-Bézier pen stroke mirrored across the trunk axis. The crown is a fan of ribbons — copies of one chalice master curve rotated about the split knot, their width growing with distance from the knot so the dark slits stay constant — and the master itself flares out to merge with the rim, closing the dome that cradles the crown light. The root voids are wrapped by strokes that pinch to points at the split and the keel. The beacons are analytic markers: rings, ticks, rays, satellites, and hairline crosshairs with additive glow.
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Fragment shader source
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