Lofted body through 3 sections: Ø56.35 mm circular section → Ø37.7 mm circular section → 6-sided polygon section, 19.1 mm across c — 3397
Lofted body through 3 sections: Ø56.35 mm circular section → Ø37.7 mm circular section → 6-sided polygon section, 19.1 mm across corners. One Ø8.3 mm hole in a 1×1 grid, 10 × 10 mm pitch.

Units: mm. Procedural reference geometry. Verify dimensions, tolerances and suitability before manufacturing.
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