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STANDARD: AIA CAD StandardORG: American Institute of Architects (AIA)

AIA CAD Standard Layer Rules in Autodesk Inventor

Standardized layer configurations, pen width definitions, and automation scripts for Autodesk Inventor.

COMPLIANCE CODEVERIFIED DRAFTING DIRECTIVE100% ALIGNED WITH OFFICIAL PROTOCOLS

Scope & Objectives

The North American benchmark for architectural drafting layers, grouping CAD data by discipline, major group, and minor group. Ideal for architectural layout and structural detailing.

Technical Standard Statement: Plotting drawing layouts under standard regulations requires strict configuration of pen weight mapping, layer naming boundaries, and line conventions. Incorrect configurations will trigger sub-standard plotting line-weights in vector PDF output and audit failure in BIM/CAD coordination stages.

Standard Layer & Pen Mapping Specification Matrix

Layer Code	Name / Element	Description	Color ID	Pen Weight	Primary Usage
A-WALL-EXTR	Exterior Wall Boundary	Load-bearing building envelope walls	7 (White)	0.50 mm	Primary boundaries
A-DOOR-INTR	Interior Doors	Interior timber and metal door units	3 (Green)	0.25 mm	Fine elements
A-ANNO-TEXT	Dimension Annotation	Title blocks, text notes, and tags	2 (Yellow)	0.35 mm	Annotations
M-HVAC-DUCT	HVAC Duct Outline	Mechanical supply ductwork lines	1 (Red)	0.35 mm	Mechanical pipes/ducts

Autodesk Inventor Integration Guidelines

To integrate AIA CAD Standard layout rules into **Autodesk-inventor**, you must load the specific layer schema mapping. For 2D drawings, load the provided configuration script. For 3D workflows, ensure your active drawing template (.dwt or .dot) has its document drafting properties aligned with this configuration. In team environments, distribute this configuration files globally via network deployments to secure total blueprint alignment and avoid sub-standard plotting line-weights in PDF output.

Automation Console Script

Script Language: PYTHON // CADGUIDE CLI v1.0

# CADGuide Standards Integration Macro for AUTODESK-INVENTOR
# Automation script setting Active Document Detailing Standard to AIA

import win32com.client
swApp = win32com.client.Dispatch("SldWorks.Application")
doc = swApp.ActiveDoc

if doc is not None:
    # Set main detailing system to match AIA guidelines
    # Under Document Properties -> Drafting Standards
    doc.Extension.SetUserPreferenceInteger(
        14, # swUserPreferenceIntegerValue_e.swDetailingStandard
        0,  # swUserPreferenceOption_e.swDetailingNoOptionSpecified
        2   # swDetailingStandard_e.swDetailingStandardISO
    )
    print("[CADGuide] Active Document Drafting Standard aligned to: AIA")
else:
    print("[CADGuide ERROR] No active CAD document detected. Open your assembly/part first.")

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