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downloads/asterion-native-cad-builder-v1.1-fixed/asterion-native-cad-builder-v1.1/docs/FIX_NXOPEN_MODULE_ERROR.md

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+# Fix: `ModuleNotFoundError: No module named NXOpen`
+
+## Cause
+
+The journal was started with ordinary Windows Python, VS Code, IDLE, or another external interpreter. `NXOpen` is loaded by Siemens NX; it is not a normal pip dependency.
+
+## Recommended fix
+
+1. Extract the package to a short local path such as `C:\ASTERION\native-builder`.
+2. Double-click `RUN_ASTERION_BUILDER.bat`.
+3. The launcher searches for Siemens NX and executes the journal using `run_journal.exe`.
+4. Review `native_output\NX_NATIVE\ASTERION_NX_BUILD_LOG.csv`.
+
+## When NX is not detected
+
+Open Command Prompt in the package folder and provide your actual NXBIN folder:
+
+```bat
+RUN_ASTERION_BUILDER.bat -NxBin "C:\Program Files\Siemens\NX2306\NXBIN"
+```
+
+Change `NX2306` to your installed release. The folder must contain `run_journal.exe` and normally `ugraf.exe`.
+
+## GUI fallback
+
+```powershell
+powershell -ExecutionPolicy Bypass -File .\nxopen\run_asterion_builder.ps1 `
+  -NxBin "C:\Program Files\Siemens\NX2306\NXBIN" -Gui
+```
+
+Then, inside NX, choose **Developer/Tools > Journal > Play** and select:
+
+```text
+nxopen\asterion_nx_native_builder.py
+```
+
+## Do not do this
+
+- Do not run `python asterion_nx_native_builder.py` directly.
+- Do not use VS Code's **Run Python File** button.
+- Do not install the unrelated PyPI package called `nxopen`; it is not Siemens NXOpen.
+
+## If batch mode still fails
+
+Run the same command from the **Siemens NX Command Prompt**, which initializes the NX environment before invoking `run_journal.exe`. The GUI fallback is also valid.

downloads/asterion-native-cad-builder-v1.1-fixed/asterion-native-cad-builder-v1.1/docs/NX_NATIVE_REVIEW_CHECKLIST.md

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+# NX native output review checklist
+
+## Parts
+
+- [ ] Every `.prt` opens without a missing-reference warning.
+- [ ] Units are millimetres.
+- [ ] Imported facet/convergent bodies are visible.
+- [ ] Geometry extents match the source model.
+- [ ] No component is accidentally scaled by 1,000 or 0.001.
+- [ ] Critical bodies pass Examine Geometry or the appropriate facet-body check.
+
+## Assembly
+
+- [ ] `AST-0000-ASTERION-FCTA-1-ASSY.prt` opens all components.
+- [ ] Eleven subsystem components appear in the Assembly Navigator.
+- [ ] All components are placed at the absolute origin.
+- [ ] The full vehicle matches the Version 0.4/1.0 reference renders.
+- [ ] Solar span, ring diameter and vehicle centreline are consistent.
+- [ ] Reference sets and component names are suitable for your NX release.
+
+## Drawings
+
+- [ ] Drawing files use the `-DRW.prt` suffix.
+- [ ] Each drawing contains its linked master-model component.
+- [ ] A3 sheet exists.
+- [ ] Front, top and right views are present.
+- [ ] View scale is appropriate.
+- [ ] Add title block, border, projection symbol, units, revision and author.
+- [ ] Add dimensions and GD&T only from controlled engineering definitions—not by measuring a coarse STL blindly.
+
+## Portfolio evidence
+
+- [ ] Capture NX Part Navigator screenshots.
+- [ ] Capture Assembly Navigator screenshot.
+- [ ] Capture drawing sheets.
+- [ ] Record NX version and licence configuration.
+- [ ] Commit only files that your licence permits you to distribute.

downloads/asterion-native-cad-builder-v1.1-fixed/asterion-native-cad-builder-v1.1/docs/RUN_IN_SIEMENS_NX.md

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+# Run the ASTERION native-file builder in Siemens NX
+
+## Recommended one-click method
+
+1. Extract the package to a short Windows path, for example `C:\ASTERION\native-builder`.
+2. Double-click `RUN_ASTERION_BUILDER.bat`.
+3. The launcher discovers `NXBIN`, sets the ASTERION environment variables and invokes Siemens `run_journal.exe`.
+4. Review `native_output\NX_NATIVE\ASTERION_NX_BUILD_LOG.csv`.
+
+When NX is not found automatically, open Command Prompt in the package folder and run:
+
+```bat
+RUN_ASTERION_BUILDER.bat -NxBin "C:\Program Files\Siemens\NX2306\NXBIN"
+```
+
+Use the actual folder containing `run_journal.exe`.
+
+## GUI method
+
+```powershell
+powershell -ExecutionPolicy Bypass -File .\nxopen\run_asterion_builder.ps1 `
+  -NxBin "C:\Program Files\Siemens\NX2306\NXBIN" -Gui
+```
+
+In NX, choose **Developer/Tools → Journal → Play** and select `nxopen\asterion_nx_native_builder.py`.
+
+## Why normal Python fails
+
+`NXOpen` belongs to the Siemens NX runtime. Running the file with `python.exe`, Python 3.13, VS Code, IDLE or PyCharm outside NX produces `ModuleNotFoundError`. The revised journal now attempts to relaunch itself through NX and otherwise exits with instructions rather than a misleading traceback.
+
+## Overwrite an earlier build
+
+```bat
+RUN_ASTERION_BUILDER.bat -Overwrite
+```
+
+Or combine options:
+
+```bat
+RUN_ASTERION_BUILDER.bat -NxBin "C:\Program Files\Siemens\NX2306\NXBIN" -Overwrite
+```
+
+## Outputs
+
+NX uses `.prt` for component parts, assemblies and separate master-model drawings. The output is written under `native_output\NX_NATIVE`.
+
+## Geometry limitation
+
+The source models are STL meshes. NX saves genuine native `.prt` files containing facet/convergent bodies, but does not reconstruct sketches, parametric features, dimensions, WAVE links or assembly constraints.
+
+## Drawing behaviour
+
+The builder attempts A3 sheets with front, top, right and isometric views. If your NX release or licence does not support a drafting call, the linked drawing part is saved and the build log marks the item `PARTIAL` for manual completion.