3D printer nozzle rack - 12 round 8.3 mm wells for 7 mm hex M6 nozzles

Nozzle rack, 74 x 52 mm and 16 mm tall, with twelve round wells 8.3 mm across and 11 mm deep, in three rows of four (18 mm pitch along, 16 mm across). - A hex nozzle 7 mm across the flats -- the common M6 format on most filament printers -- stands in it tip up or tip down, with about 1.2 mm of clearance - 9.7 mm of material between two wells along the length, 7.7 mm across, 5.85 mm of edge and 5 mm of solid floor under all twelve HONEST LIMITS: the nozzle is STORED, not clamped -- the block doe…

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