Teleport Arc

Teleport arc, a thin smooth glowing accent tube 0.015 m across, a parabola from 1.2 m up down to y = 0, reach 1.5-6 m (default 3) along +z, ending in a thin flat disc 0.2 m across on the floor. Hover thickens it slightly; pressed flattens the disc.

风格：low-poly, flat-shaded vertex colors, no textures, 2 materials: the shared opaque one plus a distinct surface (glass, water or chrome), which stays its own mesh through mergeAssets rather than merging into the rest; shares palette and scale with its kit