Spider web trivet 160 mm - open frame, 7 mm thick, prints flat

Open spider-web trivet, 160 mm across and 7 mm thick. The web IS the structure, not a pattern sitting on a solid disc: a 9 mm outer rim, eight 5 mm spokes running out of a 22 mm hub, and three polygonal chords 4 mm wide strung from spoke to spoke at 52, 88 and 124 mm diameter. The chords are STRAIGHT between two spokes, not arcs. That single choice is what makes the piece read as a spider web instead of a target. Straight prism: the top section is identical to the bottom one, so nothing can ove…

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