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  4. Nicotra AT12-9 Centrifugal Fan for HVAC Applications
📐 2D Technical Drawings🤖 AI GeneratedFree Download

Nicotra AT12-9 Centrifugal Fan for HVAC Applications 2D Technical Drawing Set

5
Drawing sheets
5
Views analysed
3
Export formats
2
Section cuts
1st Angle
Projection type
5 Jul 2026
Generated date
STEP
Source CAD format
Nicotra AT12-9 Centrifugal Fan for HVAC Applications
Source 3D model
MPreview · 2D Drawing Sheets
1 / 5
⚠Verify critical dimensions against the source CAD model before using these drawings for manufacturing or production release. Download the FCStd file where available for the most accurate editable source.
Assembly - Front View
Download all drawing sheets
Download FreeCAD source fileDownload all formats as ZIP
PDF5 sheets
SVG5 files
DXF5 files
🧊Open source 3D CAD model→
ℹ️

These are 2D engineering drawings derived from the 3D CAD geometry. Verify critical dimensions against the source model before manufacturing.

🤖

Views, section cuts, and detail areas were selected by AI based on analysis of 6 rendered views of the 3D model.

AI Drawing Analysis

What the AI Decided & Why

The cards below explain how the generated drawing outputs and assets connect to the final technical sheets.

Assembly - Front View

Assembly - Front View

Orthographic

The Front view provides the primary orthographic projection showing the overall height, width, and the symmetrical arrangement of the motor shafts and flange mounting points. It clearly displays the cylindrical housing and the external mounting features.

Assembly - Top View

Assembly - Top View

Orthographic

The Top view reveals the circular impeller and its radial blades, which are critical for understanding the fan's internal flow path. It also shows the flange connection for the inlet and the overall footprint of the assembly.

Assembly - Right View

Assembly - Right View

Orthographic

The Right view provides a side profile showing the depth of the fan, the motor mounting on the side, and the internal structure of the impeller. It is essential for understanding the assembly's thickness and how the motor connects to the housing.

Section A-A

Section A-A

Orthographic

This sheet includes 50 geometry edges from the CAD projection pipeline.

Section B-B

Section B-B

Orthographic

This sheet includes 50 geometry edges from the CAD projection pipeline.

A — Asection_a · Section5
sheet_num: 5 · edges: 50

Section A-A. Geometry is derived from the 3D model projection for this drawing set.

  • 50 resolved edges in sheet geometry
  • See technical_drawing_simple.pdf, sheet_N.pdf, and svg/ for full graphical context
  • Verify critical dimensions against the source CAD before manufacturing
B — Bsection_b · Section6
sheet_num: 6 · edges: 50

Section B-B. Geometry is derived from the 3D model projection for this drawing set.

  • 50 resolved edges in sheet geometry
  • See technical_drawing_simple.pdf, sheet_N.pdf, and svg/ for full graphical context
  • Verify critical dimensions against the source CAD before manufacturing
Detail Cdetail_c · base_view: Front
anchor: (215.678, 259.56, 527.27) · radius: 50

This detail view magnifies the central hub of the impeller, showing the precise location and diameter of the mounting holes for the blades. It is critical for manufacturing the impeller and ensuring proper blade attachment.

  • Detail-view anchor selected by the AI planning stage
  • Use with sheet PDF/SVG for local feature inspection
  • Validate critical dimensions against source CAD before release
Detail Ddetail_d · base_view: Top
anchor: (176.786, 221.95, 527.27) · radius: 30

This detail view focuses on the motor shaft and its connection to the housing, showing the bore diameter and the alignment with the impeller. It is necessary to ensure proper fit and alignment during assembly.

  • Detail-view anchor selected by the AI planning stage
  • Use with sheet PDF/SVG for local feature inspection
  • Validate critical dimensions against source CAD before release

Downloads

Download Individual Sheets

Each sheet available in PDF, SVG, and DXF. Click a format badge to download.

Assembly - Front View
PDFSVGDXF
Assembly - Top View
PDFSVGDXF
Assembly - Right View
PDFSVGDXF
Section A-A
PDFSVGDXF
Section B-B
PDFSVGDXF

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AI Transparency

How these drawings were generated

These drawings were generated from the source 3D CAD geometry. The system analysed the model, selected relevant views, planned section cuts and generated drawing sheets in PDF, SVG and DXF formats.

These are 2D engineering drawings, not 3D files. Dimensions are extracted from the 3D geometry and should be verified against the source model before use in manufacturing.

Run Metadata

5
Views analysed
5
Sheets generated
2
Section cuts
3
Export formats
5 Jul 2026
Generated date

Explore Marathon OS

Related resources

Jump to the source 3D model, generate your own drawings, or browse tools and libraries.

Open source 3D CAD modelPreview the original 3D geometry used to generate these drawings→
Generate your own 2D drawingUpload STEP, STP, IGES or FreeCAD — get PDF, SVG and DXF→Browse more 2D technical drawingsExplore AI-generated orthographic sheets across part types→Browse 3D CAD modelsDownload and preview open-source STEP, STL and IGES files→Open CAD files onlineView STEP, IGES, STL and more in your browser→Convert CAD files onlineConvert between STEP, STL, OBJ and other 3D formats→Get manual drafting supportWork with vetted CAD designers for production-ready drawings→

Preview the Source 3D CAD Model

Open the original 3D CAD model used to generate this 2D drawing set. Review the source geometry before downloading or using the technical drawings.

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