How to Import ArchiCAD Files into AutoCAD (DWG Export Guide + Fixes)

ByCADAuthority Team

This is a field-tested workflow for getting a clean, usable DWG from ArchiCAD into AutoCAD. If something breaks, it’s almost always tied to units, layers, translator settings, or geometry cleanup.

Preparation in ArchiCAD

Before exporting, clean the model. This step prevents most downstream issues.

  • Filter the view Open the exact view you want (floor plan, section, or 3D). Do not export from a generic model view.
  • Marquee Tool (Selection Zone) Use it if you only need part of the project. Keeps the DWG lighter and focused.
  • Layer Management Hide unnecessary layers (furniture, secondary annotations, working layers).
  • Check project origin Keep geometry close to (0,0,0). Large coordinates lead to precision issues and clipping in AutoCAD.

Export ArchiCAD to DWG (Save As)

The DWG format remains the standard for AutoCAD workflows.

  • Go to File > Save As… and select DWG.
  • Translator Settings (mandatory step) Click Settings (not “Options”) to open the DXF-DWG Translator.Configure the following:
    • Units Match units exactly (mm ↔ m). This is the #1 source of scale problems.
    • Destination Space Export to Model Space for direct editing in AutoCAD.
    • Object Conversion Use “Convert only elements to blocks” → Keeps geometry editable → Preserves structure for complex elements
    • Layer Mapping Map ArchiCAD layers to clear AutoCAD layer names. Avoid defaults.
    • Pen Sets / Lineweights Use a consistent pen set to avoid unreadable output.
    • Hatch Export Method (critical) Set fills to export as Hatches (not lines) → If exported as lines, the DWG becomes extremely heavy and hard to work with
    • DWG Version
      • AutoCAD 2018 format = current native format (AutoCAD 2018 → 2026+)
      • AutoCAD 2013 format = only if the recipient uses an older version
    • Paper Space / Layout Export (important for sheets) If exporting layouts: → Enable “Export Paper Space with merged viewport content” This keeps titles, frames, and scales consistent in AutoCAD.
    • XREF / Hotlink Handling
      • Explode XREFs → for a single standalone DWG
      • Keep as XREFs → to maintain linked structure
  • Click Save.

Alternative Export Methods (When DWG Fails)

Use these only if the DWG export is unreliable:

  • IFC → DWG workflow Better for BIM-heavy models with complex data.
  • PDF → DWG (vector) Works for 2D drawings when geometry breaks during DWG export.

Import and Clean in AutoCAD

After opening the DWG, run a quick cleanup.

  • Check Units
    UNITS

    Confirm they match the export settings.

  • Database Cleanup
    PURGE
AUDIT
  • Explode (use with caution)
    EXPLODE

    Only use as a last resort for local edits. Exploding everything:

    • breaks block logic
    • increases file size
    • slows performance
  • Fix Z-axis issues (very common) If objects are not coplanar:
    FLATTEN

    This forces all geometry to Z=0 and fixes issues with HATCH, TRIM, etc.

Common Problems and Fixes

Scale is wrong

  • Cause: unit mismatch
  • Fix:
    • Re-export with correct units
    • Or rescale in AutoCAD

File is empty or incomplete

  • Cause:
    • Wrong view exported
    • Elements outside Marquee
  • Fix:
    • Verify view
    • Check layer visibility

Walls and objects become simple lines

  • Cause: conversion settings
  • Fix:
    • Adjust translator settings (blocks vs primitives)

Hatches are broken or file is too heavy

  • Cause: fills exported as lines
  • Fix:
    • Set export to Hatch, not lines

Layers are merged or disorganized

  • Cause: no layer mapping
  • Fix:
    • Configure layer mapping in Translator

Text or fonts are incorrect

  • Cause: missing SHX/TTF fonts
  • Fix:
    • Install or replace fonts in AutoCAD

Geometry won’t trim or hatch properly

  • Cause: objects at different Z elevations
  • Fix:
    • Use FLATTEN

Workflow Tips (Production Use)

MethodRecommended Use
Publisher (ArchiCAD)Export multiple layouts to DWG in batch
Drag-and-DropInsert DWG into ArchiCAD for merging external details
DWG TrueViewConvert DWG versions if compatibility issues arise
DXF FormatFallback only if DWG is corrupted (heavier, text-based format)

External tool:

Advanced Notes

  • Keep geometry near origin Prevents precision and display issues.
  • Control block usage Too many nested blocks slow down editing.
  • Check annotation scale Text and dimensions may not match expected scale.
  • Hatch validation Some fills do not translate correctly. Replace if needed.

FAQ – ArchiCAD to AutoCAD

Can AutoCAD open PLN files directly? No. Export to DWG, DXF, or IFC first.

What is the best DWG version to use? Use AutoCAD 2018 for standard workflows. Use 2013 only for legacy compatibility.

Why is my DWG extremely heavy?

  • Fills exported as lines
  • Too many layers
  • No cleanup before export Fix: adjust translator + PURGE

Why are my layers missing? Hidden during export or merged due to missing mapping.

Should I explode everything? No. Only for specific edits. Keep blocks intact when possible.

Why can’t I hatch or trim properly? Objects are likely not flat. Use FLATTEN.

Is DXF better than DWG? No. Use DXF only if DWG export fails. It is heavier and less efficient.

Quick Checklist (Before Sending the DWG)

  • Units correct?
  • Origin close to (0,0,0)?
  • Layers clean and mapped?

If those three are correct, the DWG will behave as expected.

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