Root documentation: - README.md: add Datums description, update addon load order and SDK references, fix project structure tree, update issue reporting guidance - CONTRIBUTING.md: update submodule table (remove ztools, add gears/datums/solver), fix QSS guidance (single canonical source, not three copies) - docs/ARCHITECTURE.md: update bootstrap flow (5 addons, split deferred timers between Create core and Silo addon), update load order and source layout - docs/COMPONENTS.md: add Datums and Solver sections, update Gears description, fix Silo origin registration reference - docs/KNOWN_ISSUES.md: create missing file referenced by CLAUDE.md and CONTRIBUTING.md - docs/INTEGRATION_PLAN.md: update layer 5 diagram, fix load order references, update Phase 6 install rules, fix Layer 2/3/5 descriptions - docs/OVERVIEW.md: add datums submodule entry - docs/UPSTREAM.md: update Phase 1 directory table and Phase 4 submodule list mdBook documentation (docs/src/): - SUMMARY.md: replace dead architecture/ links with existing reference pages, remove deleted silo-server files, add new silo-server pages - introduction.md: rewrite — replace ztools with current addons (Silo, Gears, Datums, KCSDK), update version to v0.1.5/FreeCAD 1.2.0 - guide/getting-started.md: update first-run addon list - guide/installation.md: update verification console output - guide/workbenches.md: rewrite — replace ztools with Gears, Datums, Solver - guide/building.md: update submodule table, fix error message guidance - development/contributing.md: fix scope example and issue reporting - development/repo-structure.md: rewrite — add SDK, datums, gears, solver, reference/ folder; update submodule and key files tables - development/writing-an-addon.md: fix priority range table - reference/create-module-bootstrap.md: rewrite — reflect addon_loader system, split deferred timers between Create core and Silo addon - reference/datum-creator.md: update from ZTools to datums addon paths and naming - reference/glossary.md: add KCSDK entry, update FreeCAD version, remove ztools entry, update repository URLs table
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Glossary
Terms
BOM — Bill of Materials. A structured list of components in an assembly with part numbers, quantities, and reference designators.
Catppuccin Mocha — A dark color palette used for Kindred Create's theme. Part of the Catppuccin color scheme family.
Datum — Reference geometry (plane, axis, or point) used as a construction aid for modeling. Not a physical shape — used to position features relative to abstract references.
FCStd — FreeCAD's standard document format. A ZIP archive containing XML model trees, BREP geometry, thumbnails, and embedded data.
FileOrigin — Abstract C++ interface in src/Gui/ that defines a pluggable file backend. Implementations: LocalFileOrigin (filesystem) and SiloOrigin (database).
FreeCAD — Open-source parametric 3D CAD platform. Kindred Create is based on FreeCAD v1.2.0. Website: https://www.freecad.org
Kindred Create — The full application: a FreeCAD fork plus Kindred's addon workbenches, theme, and tooling.
KCSDK — Kindred Create SDK. A C++ shared library (libKCSDK) with pybind11 bindings (kcsdk Python module) providing stable interfaces for dock panels, toolbars, menus, themes, and editing contexts.
Manipulator — FreeCAD mechanism for injecting commands from one workbench into another's menus and toolbars.
MinIO — S3-compatible object storage server. Used by Silo to store binary .FCStd files.
OndselSolver — Lagrangian constraint solver for the Assembly workbench. Vendored as a submodule from a Kindred fork.
Origin — In Kindred Create context: the pluggable file backend system. In FreeCAD context: the coordinate system origin (X/Y/Z axes and planes) of a Part or Body.
pixi — Conda-based dependency manager and task runner. Used for all build operations. Website: https://pixi.sh
Preference pack — FreeCAD mechanism for bundling theme settings, preferences, and stylesheets into an installable package.
QSS — Qt Style Sheet. A CSS-like language for styling Qt widgets. Kindred Create's theme is defined in KindredCreate.qss.
rattler-build — Cross-platform package build tool from the conda ecosystem. Used to create AppImage, DMG, and NSIS installer bundles.
Silo — Kindred's parts database system. Consists of a Go server, FreeCAD workbench, and shared Python client library.
SSE — Server-Sent Events. HTTP-based protocol for real-time server-to-client notifications. Used by Silo for the activity feed.
Workbench — FreeCAD's plugin/module system. Each workbench provides a set of tools, menus, and toolbars for a specific task domain.
Repository URLs
| Repository | URL |
|---|---|
| Kindred Create | https://git.kindred-systems.com/kindred/create |
| silo-mod | https://git.kindred-systems.com/kindred/silo-mod |
| gears | https://git.kindred-systems.com/kindred/gears |
| datums | https://git.kindred-systems.com/kindred/datums |
| solver | https://git.kindred-systems.com/kindred/solver |
| OndselSolver | https://git.kindred-systems.com/kindred/solver |
| GSL | https://github.com/microsoft/GSL |
| AddonManager | https://github.com/FreeCAD/AddonManager |
| googletest | https://github.com/google/googletest |