#86 · Tungsten Pin Grid 21x21

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Created May 8, 2026, 04:26 PM

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Description

21x21 grid of sharpened pure tungsten rods (1.6mm dia, ~10mm tall), 3mm side-to-side spacing, PETG housing, copper wire solder interconnect, HV+

Notes

Tips ground to near-zero radius. Center-to-center pitch 4.6mm. Rod height ~10mm. PETG 3D-printed enclosure holds rods against dielectric.

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