{
  "packet_id": "DRN-FAM-001",
  "instrument": "Native American Drone Flute Family",
  "family": "open-pipe",
  "pipeline": "cnc-lathe",
  "status": "in-progress",
  "date": "2026-05-05",
  "builder": "Tony Koop",
  "shop": "Maker Nexus, South Bay",
  "members": [
    "DRN-Am",
    "DRN-Fsm",
    "DRN-Em",
    "DRN-Dm"
  ],
  "sister_repos": [
    "flutes",
    "fujara",
    "transverse-flute",
    "shakuhachi"
  ],
  "done_bar_ref": "flutes",
  "deliverables": {
    "design_workbook": "Drone-Flutes-Design.xlsx",
    "design_md": "design.md",
    "family_spec": "family-spec.csv",
    "bom": "bom.csv",
    "sourcing": "sourcing.csv",
    "cut_list": "cut-list.csv",
    "validation": "validation.csv",
    "dxf_shop_authority": "dxf-shop-authority.md",
    "shop_validation_gates": "shop-validation-gates.csv",
    "visual_output_register": "visual-output-register.csv",
    "assembly_manual": "assembly-manual.md",
    "supplier_rfq": "supplier-rfq.md",
    "visual_bom_brief": "visual-bom-brief.md",
    "drawing_brief": "drawing-brief.md",
    "wolfram_starter": "wolfram-starter.wl",
    "risks": "risks.md",
    "capstone_deck_md": "capstone-deck.md",
    "capstone_deck_pptx": "capstone-deck.pptx",
    "print_packet_md": "print-packet.md",
    "print_packet_html": "print-packet.html",
    "print_packet_pdf": "print-packet.pdf",
    "drawings": [
      "drawings/Am.svg",
      "drawings/Fsm.svg",
      "drawings/Em.svg",
      "drawings/Dm.svg",
      "drawings/assembly.svg",
      "drawings/family-overview.svg"
    ],
    "inlay_patterns": "inlay-patterns/",
    "sw_reference": "sw-reference/Drone-Flutes-SolidWorks-MasterLayout.docx",
    "build_method": "Drone-Flutes-BOM-Build-Method.docx",
    "site": "site/index.html"
  },
  "physics": {
    "model": "open-open pipe with NAF K2 empirical correction",
    "speed_of_sound_in_per_s": 13552,
    "reference_temp_F": 68,
    "concert_pitch_hz": 440,
    "scale": "Pentatonic minor (NAF Mode 1/4)",
    "scale_offsets_semitones": [
      3,
      5,
      7,
      8,
      10,
      12
    ]
  },
  "validation_target_cents": 5,
  "estimated_cost_usd": 516,
  "estimated_build_days": 42
}