How to Export IFC to CAD (DWG, DXF, SVG) for Drafting Workflows

Generate 2D CAD drawings and vector exports from your 3D IFC model. No CAD licence, no manual redrafting — just one tool.

CAD is not going away. Long after every design firm has migrated to BIM, there are still subcontractors, fabricators, city planning offices, and legacy document archives that only accept 2D CAD files. Converting an IFC model into clean 2D CAD drawings used to mean a full day in a CAD application. BIMCamel does it in seconds, exporting DXF (which opens in every CAD application) and SVG.

Why export IFC to CAD?

Subcontractor deliverables. Steel fabricators, precast concrete shops, and electrical subcontractors often work entirely in 2D CAD.
Permit submissions. Many municipalities still require 2D CAD submissions; a DXF drops straight into the CAD template they expect.
Legacy systems. Existing document management systems, drawing registers, and archive workflows expect a 2D vector drawing — DXF or SVG.
Client requirements. Some clients specify CAD deliverables in their contracts regardless of how the model was produced.

Step-by-step: IFC to CAD

Upload your IFC file to BIMCamel.
Confirm the model has correct storey assignments — open IFC Viewer and check the storey list. If elements are not correctly assigned, the CAD output will have walls and doors floating on the wrong floor. Fix with Manage IFC Storeys first.
Open the IFC to CAD tool.
Configure output options:
- Storey selection — one drawing per storey, specific floors only, or a combined site plan.
- Element filter — walls and doors only, or include MEP, or everything.
- Line weights — map element types to pen styles (thicker lines for structural, thinner for architectural).
- Output format — SVG for web/presentation use, or DXF for CAD workflows.
Click Run. BIMCamel slices the 3D model at each floor level and generates a clean 2D drawing.
Download the result. DXF files open in any major CAD application, including AutoCAD, BricsCAD, DraftSight, and LibreCAD. SVG files open in any browser and in vector editors like Illustrator or Inkscape.

What you get in the drawing

Walls, columns, and structural elements as closed polylines.
Doors and windows shown with swing arcs or opening symbols.
Storey-level annotations if present in the IFC.
Layer structure that maps IFC classes to CAD layers (IFC walls → A-WALL layer, etc.), so downstream CAD work can use standard colour and line-weight templates.

When to use SVG vs DXF

SVG is best for presentations, embeds on a website, or sharing with non-CAD users. It looks good at any zoom and opens in any browser.
DXF is best for handing off to CAD-based subcontractors, city planning offices, or anyone who needs to edit the drawings further. DXF opens in every major CAD application — AutoCAD included — so you don't need a DWG writer to hand a drafter something they can edit.

Quality tips

Clean the model first. Orphaned geometry and duplicate elements produce ghost lines in the CAD output. Run Clean Hidden IFC Leftovers before export.
Check the schema version. IFC2x3 and IFC4 handle openings slightly differently. If doors and windows look wrong, try upgrading to IFC4 first.
Match units. CAD tools default to different unit systems. Your CAD operator will thank you for documenting the unit system in the delivery note.

What CAD export does not do

A CAD export is a 2D snapshot of the current 3D model. It is not live-linked — if the model changes, you re-export. That is usually what you want for deliverables, but if you need a bidirectional workflow (CAD edits reflected in the model), you will need an authoring-tool plugin rather than a one-way export.

Legacy SVG tool vs new IFC to CAD

BIMCamel keeps an older SVG-only tool (IFC to CAD (legacy)) for backward compatibility with existing saved pipelines. For new work, use IFC to CAD — it adds DXF output alongside SVG and has better handling of complex geometry.

Thirty seconds, a free toolkit, and you go from a 3D BIM model to a stack of clean 2D CAD drawings that any drafter can open. No redrafting, no licence fees, no lost detail.