Piping Design

Use this skill when designing, coding, reviewing or extending a Python application for industrial piping and pipeline design.

Main capabilities

• Piping component modeling
• 3D pipe routing
• Equipment and nozzle connections
• P&ID data interpretation
• Isometric drawing preparation
• MTO/BOM generation
• Clash detection
• QA/QC
• CAD/BIM interoperability
• JSON project data

Engineering objects

The application should support at least:

• Project
• Pipeline
• PipeLine
• PipeSegment
• Elbow
• Tee
• Reducer
• Flange
• Valve
• Instrument
• Equipment
• Nozzle
• Support

Every object should have a unique ID.

Geometry

Use a Cartesian XYZ coordinate system.

Never approximate engineering geometry when the Python geometry engine can calculate it.

The AI should define the operation, while Python performs:

• distances
• vectors
• intersections
• rotations
• transformations
• routing
• collision detection
• lengths

Routing

A pipe route consists of connected segments.

Each segment should contain:

• start point
• end point
• direction
• length
• diameter
• material
• line ID

Check connectivity after every geometry modification.

Isometric drawings

The application should be able to derive an isometric representation from the 3D piping model.

Possible information:

• pipe centerlines
• fittings
• valves
• dimensions
• elevations
• tags
• weld numbers
• flow direction
• BOM/MTO

The AI should prepare drawing data. The Python graphics engine should generate the actual drawing.

P&ID

P&ID information can be transformed into structured objects:

P&ID → Equipment → Nozzles → Lines → Components → 3D model

Never invent missing engineering information. Mark assumptions explicitly.

MTO/BOM

Extract quantities from the structured model.

Example:

PIPE DN150: 25.4 m
ELBOW DN150: 8
TEE DN150: 2
VALVE DN150: 3
FLANGE DN150: 12

QA/QC

Check for:

• disconnected segments
• missing IDs
• duplicate tags
• invalid coordinates
• zero-length segments
• incompatible connections
• missing diameters
• missing materials
• potential clashes

CAD/BIM

Keep CAD/BIM import/export separated from the core piping model.

Preferred architecture:

CAD/BIM file
→ importer
→ normalized piping model
→ geometry engine
→ application

Supported targets may include:

• DXF
• DWG
• IFC
• Revit
• CSV
• Excel
• JSON

Python architecture

Prefer modular Python code.

Recommended separation:

geometry/
piping/
routing/
isometric/
pid/
cad/
mto/
qa/
models/

Use typed Python models and clear interfaces.

Do not place geometry calculations directly inside UI code.

Important rule

The Skill provides engineering logic and development guidance.

The Python application is responsible for actual geometry calculations and deterministic results.