Build target
qianjin-to-bridge setup-scale prototype · Erhu Bare-Bones Starter Packet
Focus
L2 starter packet for qianjin-to-bridge measurement planning
Status
Private review Public-release blocked Packet version barebones-r3-starter
Family
erhuhuqinspike fiddlebowed string
Release gates
- Measure installed qianjin-to-bridge contact-point spans with photo evidence.
- Record bridge height, mass, foot geometry, placement, and bowed response.
- Record membrane material, tension method, humidity notes, and acoustic response.
- Record installed string source, gauge or product ID, open-string pitch, and tuner/audio evidence.
- Review resonator/body/neck/peg/joinery CAD or DXF before promoting any full-instrument fabrication geometry.
- Keep Wolfram/OpenSCAD notes source-only unless runtime commands and outputs are committed.
- Obtain erhu-specific measured reference, builder, teacher, or player review before public build guidance.
01 · OverviewErhu Bare-Bones Starter Packet
This explorer indexes an erhu-inspired prototype packet for measurement planning. It does not claim measured erhu craft authority, reviewed full-instrument CAD, or validated acoustic performance.
dimension basis
qianjin-to-bridge speaking length
setup range (mm)
380-420 mm
authority scope
setup strip only; body, bridge, membrane, string set, qianjin height, pegs, neck, and joinery remain TBD
fabrication authority
cad/erhu-qianjin-scale-params.csv and drawings/erhu-qianjin-scale-starter.dxf only
· Repo artifactsDesign tables · research · source files
▶README.mdMDRepository narrativeOpen ▶bom.csvCSVDimension or registry tableOpen ▶cut-list.csvCSVDimension or registry tableOpen ▶family-spec.csvCSVDimension or registry tableOpen ▶resonator-authority-gates.csvCSVDimension or registry tableOpen · Bill of MaterialsBill of Materials
▶bom.csvCSVLine items · planning estimateOpen ▶cut-list.csvCSVStock + cut planOpen ▶sourcing.csvCSVSuppliers, lead times, ethical notesOpen ▶family-spec.csvCSVFamily variantsOpen · DesignDesign
▶design.mdMDDesign narrativeOpen · CNC & Drawings BriefCNC & Drawings Brief
▶drawing-brief.mdMDWhat needs to be drawnOpen ▶visual-bom-brief.mdMDVisual-BOM shot listOpen · Validation GatesValidation Gates
▶validation.csvCSVChecks · methods · tolerances · gatesOpen · Risk RegisterRisk Register
▶risks.mdMDRisk register with mitigationsOpen · Capstone deliverablesDeck · print packet · explorer
Manifest
capstone-manifest.jsonArtifact inventory; release gates; required-before-public list
Open JSON
Studio explorer
explorer.htmlThis document. Generated by instrument-maker/scripts/generate_explorer.py.
Reload
· Sources & provenanceBibliography
- Existing packet manifest — Repo-local L2 packet metadata and authority boundary (manifest.json)
- Design notes — Qianjin-to-bridge setup-scale design basis (design.md)
- Measurement plan — Contact-point measurement protocol and anti-overclaim checks (qianjin-measurement-plan.md)
