LICENSED HARDWARE STARTER KIT — source and adaptation notices

DIY HOTAS by Banjer21
https://github.com/Banjer21/DIY-HOTAS
Pinned revision: 1e27bc6fb19c66e0c5e378e5ae9f5bab6f9fabf6
Licensed Creative Commons Attribution 4.0 International (CC BY 4.0).
https://creativecommons.org/licenses/by/4.0/
The upstream license declaration is preserved in licenses/DIY-HOTAS-README.md;
the complete license text is in licenses/CC-BY-4.0.txt.
Imported source files: JoystickRH no PCB.step; Throttle/ThrottleClean.step.
Adaptations by Star Kitsune contributors (2026): offline CAD tessellation,
millimetre-to-metre conversion, right-handed Y-up orientation, assembled scene
translation, omission of internal electrical/supplier mechanisms, grouping and
display materials. Derived DIY HOTAS meshes remain CC BY 4.0. There is no
endorsement by the upstream author. The joystick is the actual ergonomic grip
assembly; its tabletop support housing is a separate original addition.

Adafruit CAD Parts, Copyright (c) 2016 Adafruit Industries
https://github.com/adafruit/Adafruit_CAD_Parts
Pinned revision: c128bceb1f96b6ea8b68f250bda986ba85da24ea
Licensed MIT; complete unchanged notice in licenses/Adafruit-MIT.txt.
Imported originals: PID 1445 16mm pushbutton; PID 3221 toggle switch;
PID 562 10K potentiometer. Native CAD sizes are retained. Adaptations:
tessellation, scene placement, materials, grouped static solids, and separate
actuator draws. Original authored knobs cover the real potentiometer shafts.

Original support geometry by Star Kitsune contributors (2026)
MIT; complete notice in licenses/Star-Kitsune-original-MIT.txt.
Original beveled plinths, collar, console plate, indicator strips and knobs
are explicitly identified as source_id star-kitsune-original in manifest.json.
They support actual imported geometry. They are not manufacturer CAD.

PROVENANCE SCOPE
source_manifest.json records exact upstream paths, revision URLs and SHA-256
hashes. Original STEP bytes remain intact, including omitted internal parts.
component_audit.json records exact assembly paths excluded from rendered meshes.
Repository license declarations and STEP PRODUCT names were checked; this does
not independently establish the origin of every upstream assembly component.
Named bearings, stepper motors, limit switches and internal mechanisms with
unclear supplier provenance are not emitted into rendered meshes. No geometry
was downloaded from McMaster-Carr.

REBUILD AND VERIFICATION
python3 tools/prepare_hardware_starter_kit.py --asset-root REPOSITORY --verify
is read-only, offline, and standard-library-only. It validates the source and
mesh hashes, license receipt, bounded binary format, finite normals and native
metre-scale scene bounds. To regenerate offline, separately install CadQuery
2.6.1 and cadquery-ocp 7.8.1.1.post1 in an external environment, then add
--rebuild. --output-root DIRECTORY writes generated outputs elsewhere for a
byte comparison. No command in this preparation tool accesses the network.