Drawings Creator

Placeholder

CAD & Model-Based Definition Portal

Not yet built — but the local vocabulary and UI copy this app will use are already drafted, ready for when it is.

Planned UI Copy

Buttons, navigation, and labels this app will use once built.

Buttons

Initialize 3D MBD Workspace
Compute Mass & Inertia Properties
Execute Assembly Clash Scan

Navigation

Spacecraft Reference Coordinate Vectors
MMPDS Material Allowables Catalog
Engineering Change Order Release Gate

Labels

Calculated Center of Gravity Vector (X, Y, Z):
Assembly Interference Scan Results:
Product Manufacturing Information (PMI) Validity Tag:

Local Glossary

50terms — real NASA terminology, public domain, specific to this app's domain.

Term	Definition
MBD	Model-Based Definition — 3D CAD files carrying complete product manufacturing data without 2D sheets.
PMI	Product Manufacturing Information — Annotations like geometric tolerances and surface specs inside 3D models.
CAD Native File	The source file format generated by specific 3D design software packages.
STEP AP242	The standardized aerospace file protocol used to share 3D CAD files with rich PMI annotations.
Parametric Modeling	Creating 3D objects where dimensions drive shapes, letting changes auto-update the geometry.
Assembly Modeling	Linking multiple separate part files together inside CAD to build full vehicle assemblies.
Feature Tree	The historical list showing the sequential sketches and cuts used to build a 3D model.
Constraint Engine	The underlying math rules enforcing geometric links like parallelism between 3D sketch lines.
MMPDS	Metallic Materials Properties Development and Standardization — The database for aerospace material data.
Center of Gravity	The calculated center balance point of an assembly, tracked against total mass budgets.
Moment of Inertia	Rotational resistance calculations used to calibrate flight attitude control software logic.
Mass Properties Override	An engineering override replacing CAD mass calculations with true weighted scale numbers.
Kinematic Simulation	Testing moving mechanisms inside CAD to verify clearances and links.
Interference Detection	Automated system sweeps scanning for overlapping material boundaries within assemblies.
Clearance Analysis	Verifying empty space envelopes meet minimum safety margins between vibrating parts.
Finite Element Analysis	Using simulation grids to predict material stress and deflection points (FEA).
Mesh Generation	Splitting a solid 3D CAD model into small math blocks for structural simulation runs.
Boundary Conditions	Applying real-world forces and fix points to a 3D model before running simulations.
Thermal Deflection Analysis	Simulating how extreme space temperatures warp physical structures out of shape.
Molded Part Draft	Adding tapers to model sides so cast parts can slide out of tooling cleanly.
Fillet Radius	Rounding interior corners to spread out mechanical stress and stop crack growth.
Round Feature	Curving sharp exterior corners to make parts safer to handle and reduce stress points.
Sheet Metal Unfold	Flattening a 3D chassis model into a 2D cutting guide for factory floor laser machines.
Bend Allowance	Extra length calculations factoring in material stretching when sheet metal is bent.
Tooling Fixture Design	Creating custom factory brackets inside CAD to hold flight parts steady during machining.
Generative Design	Using AI algorithms to grow organic, lightweight shapes based on raw force requirements.
Topology Optimization	Stripping material out of low-stress CAD zones to shed excess vehicle weight.
Additive Manufacturing Prep	Slicing 3D models into layer-by-layer build paths for flight-grade 3D printers.
Subtractive Machining Path	Generating computer-guided cutting instructions directly from 3D models for mill tools.
Surface Lofting	Blending smooth complex curved shapes across separate guide profiles to model outer rocket skins.
Spline Curve	Smooth mathematical curves used to design aerodynamic cowlings and engine bell geometries.
Boolean Operation	Combining or subtracting solid 3D shapes from each other to form complex inner cavities.
Shell Feature	Hollowing out solid 3D shapes to turn heavy blocks into thin-walled lightweight parts.
Thread Modeling Simplification	Using text flags instead of modeling actual screw helical teeth to speed up computer rendering.
Exploded View Layout	Spreading out assembly parts visually inside CAD to create clear step-by-step assembly guides.
Render Engine	Generating realistic imagery of virtual concept spaceships for management reviews.
Design Context Assembly	Loading a lightweight framework of surrounding ship parts to check fit alignments.
Direct Modeling	Pushing and pulling 3D faces directly without historical sketch step chains.
Model Sanity Checker	An automated system checking that 3D CAD files contain no open surfaces or broken link states.
Geometry Simplification	Stripping fine details like holes out of huge assemblies to save system memory.
Coordinate System Transformation	Shifting part positions smoothly between component bases and global rocket centerlines.
Envelope Geometry	A simple 3D block representing the maximum outer boundary space allocated for a component.
Master Model Concept	A single master geometry file driving shapes out to separate detail parts.
Weldment Structure	Defining frame models joined by structural welds instead of bolts.
Surface Continuity	Ensuring curved faces blend into each other smoothly without sharp reflections.
Wall Thickness Analysis	Scanning models to flag spots where walls are too thin to machine or cast safely.
Draft Analysis Color Map	A color overlay showing if part angles will stick inside factory manufacturing mold tooling.
Lightweight Visualization Format	Compressing heavy CAD files into light formats so non-engineers can rotate 3D models in browsers.
Derived Part	Creating a new part linked directly back to a parent shape file, inheriting its adjustments.
Design Rule Check	Automated checks verifying that modeled features stay within production capability limits.

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