INDRBT / Reading room

Open the engineering files

Digital engineering model. Payload and repeatability are design targets. All ordinary guide reading, figures and PDFs work here. Links marked Source file lead to the public engineering repository.

Adapted for browser reading from the project’s illustrated documentation. Numeric results and engineering scope are unchanged. Reproduction notes are optional; the robot and board viewers run from the navigation above.

On this page

Open the engineering files

Inspect the robot online · Inspect the PCB online · Documentation index

The public browser showcase is the quickest viewing route. For optional CAD/electronics application inspection or offline browsing, use the public GitHub inspection releaseSource file and the actual engineering files below. The repository and its release assets are public; no private repository access is needed.

Hosting status — 28 October 2026: the browser showcase and its download controls are published through GitHub Pages at the address above. Public downloads are also distributed through the GitHub inspection release below. The original Sites management record remains inaccessible; publication on GitHub Pages does not claim to repair that server record.

Choose a model format

What you want	Actual file or folder	Open it with
Complete solid assembly	Home STEPSource file	FreeCAD or another CAD application supporting STEP
Another complete configuration	Six STEP assembliesSource file — files named `assembly_home`, `assembly_extended`, `assembly_folded`, `assembly_vertical`, `assembly_pick` and `assembly_place`	CAD application, File → Open or File → Import
One component	Individual STEP filesSource file	CAD application, File → Open or File → Import
Native FreeCAD inspection assembly	indrbt_home.FCStdSource file	FreeCAD, File → Open
Triangle meshes	STL exportsSource file	Mesh viewer or a CAD application supporting STL
Dimensioned interfaces	Engineering drawings PDF	Any PDF viewer

STEP is standard solid-geometry exchange without construction history. Its geometry can be inspected or modified using the receiving application's tools; it does not include the original parametric feature sequence. The native FreeCAD file contains 54 named, saved solids and inspection metadata, rather than a sketch-based construction tree.

The reproducible parametric design lives in Build123d geometrySource file, assembly transformsSource file and the shared SI configuration. Read CAD reproduction before changing the design or regenerating its exports.

Open or import safely

Save or extract the chosen file to a normal folder. On GitHub, use the file page's Download raw file control when available; do not copy its displayed text into another application.
Start FreeCAD or your CAD application, then choose File → Open for a new document, or File → Import when deliberately adding geometry to an existing document. Select the .step or .FCStd file using the file-type filter.
Use Fit all if the model is outside the current view. Open an assembly_*.step file to see positioned parts together.
Save intentional edits as a new filename. Generated files are refreshed by the project scripts; an older open document should not overwrite a newer generated file.

CAD exports use millimetres; numerical calculations use metres. Individual parts retain local group frames, so opening all part files at a common origin does not assemble the robot. Use a complete assembly or the native FreeCAD home model for that purpose.

Open the KiCad project

Native item	Actual file or folder
Project entry point	joint_interface.kicad_proSource file
Schematic	joint_interface.kicad_schSource file
Routed PCB	joint_interface.kicad_pcbSource file
Project-local footprint resolution	fp-lib-tableSource file and INDRBT_Interface.prettySource file
Symbol resolution and rules	sym-lib-tableSource file and joint_interface.kicad_druSource file
Readable circuit and layers	Schematic PDF and PCB layer PDF

With KiCad 10 and its standard libraries installed, keep the project, schematic, PCB, rule files, library tables and local footprint folder together. Open the .kicad_pro file in KiCad, then open the schematic or PCB editor. Open the .kicad_sch or .kicad_pcb directly only when their surrounding project context is retained. The custom F1 footprint resolves through ${KIPRJMOD}; downloading the board alone omits that editable library context.

For component roles, supply assumptions and verification scope, read the circuit tour, component guide and electronics chapter. Native files and rule checks remain digital design evidence, without physical qualification.

Public inspection download release

Open the inspection releaseSource file for the four focused format packs and the combined offline pack. These are GitHub release assets; they do not need to be stored in the repository file tree. Local copies are also retained in 07_Releases.

Public release asset	Intended use
INDRBT_STEP_STL_CAD.zipSource file	Extract the exchange solids/meshes, then open a complete STEP assembly; STEP has no construction history
INDRBT_FreeCAD_Model.zipSource file	Extract and open the native saved-solid FreeCAD inspection model
INDRBT_KiCad_Project.zipSource file	Extract the project with its local library context, then open the `.kicad_pro` file
INDRBT_PCB_STEP.zipSource file	Import the native board STEP into mechanical CAD; 100 × 100 × 11.54 mm, with fitted component and copper geometry
INDRBT_Inspection_With_CAD.zipSource file	Extract the browser viewers with the selected CAD and KiCad downloads for combined offline inspection

The earlier INDRBT_Browser_Inspection.zip remains a local historical pack in 07_Releases; the public combined pack is the current offline download. The engineering v1.2.0 release is preserved separately from this inspection distribution.

Downloading or opening these files is optional. The online viewers remain the immediate inspection route, and the source project guide covers local reproduction.