Model/3D Formats Opened by ARCHICAD

3D Studio File (.3ds)

3D files can be saved in 3D Studio format. The Add-On required for this is part of the ARCHICAD package.

3D files in 3D Studio format can be opened by ARCHICAD only if you install the Goodies for your language version of ARCHICAD.

See Goodies.

IFC (.ifc), IFCXML (.ifcxml), IFCzip

IFC stands for Industry Foundation Classes.

ARCHICAD supports the latest and most widely used IFC formats.

To read more about IFC, see Working with IFC, or download the IFC Reference Guide from:
http://www.graphisoft.com/support/ifc/downloads/

Rhino (.3dm) - Import Model or Import as Object

Open or merge a Rhino 3D Model file (.3dm) directly in ARCHICAD with one of these commands:

File > Open

File > Interoperability > Merge (from File or BIMcloud)

To import a Rhino file as a single ARCHICAD Object:

File > Libraries and Objects > Import Rhino 3DM file as Object

For further information, see Working With Rhino 3D Models.

SketchUp (.skp)

To open as a new ARCHICAD project:

Use File > Open, then browse for the .skp file.

To add to a running ARCHICAD project:

Drag-and-drop the Sketchup file into ARCHICAD, or

use File > Interoperability > Merge, then browse for the .skp file.

The Sketchup model will be saved as a GDL object to the Embedded Library.

See also SketchUp: Export and Import Limitations.

Google Earth (.kmz)

ARCHICAD imports a Google Earth model as follows:

.kmz objects become GDL objects, placed on the ARCHICAD Layer

.kmz polygons become Fills, placed on the 2D Drafting General Layer

Placemarks become GDL objects, placed on the ARCHICAD Layer

Important: Make sure that the merged Google Earth model to be opened

contains only a single location pin

uses the Absolute method to define its altitude (see below).

To open a .kmz file directly in ARCHICAD:

1.Use the File > Open command

2.Choose the .kmz file type to open

3. Click Settings to open KMZ Import Options.

Check the box to import any ‘look at viewpoints’ as cameras, if the .kmz file contains them.

Create Hotspots for Objects: Use these checkboxes to control where Hotspots should appear on the imported model.

KMZ Import Optimization

Use these two checkboxes if importing the Google Earth model is taking too long.

Collect 3D geometry placemarks into a single Library Part: If you check this, ARCHICAD will generate a single GDL object for multi-geometry placemarks (instead of separate ones). This can reduce the time it takes to import the .kmz file.

Display 3D geometry placemarks without fills: This option can speed up navigation in large models.

Altitude Settings

In Google Earth, there are several ways to export altitude data, but ARCHICAD supports only the “Absolute altitude” method.

If your .kmz file contains alternative altitude settings (either “Clamped to ground” or “Relative to ground”), an information dialog appears: you should reexport the model from Google Earth using the Absolute altitude method.

See also Google Earth: Export and Import Limitations.

Stereolithography (.stl)

Use the File > Open command or File > Interoperability > Merge to open or merge an .stl file directly in ARCHICAD. An opened or merged STL model will be opened as a Morph in ARCHICAD.

STL files only carry the 3D model’s surface geometry, divided into triangles, without any additional information such as color, surfaces etc.

The format is usually used for rapid prototyping, 3D printing, and computer-aided manufacturing. STL format has two kind of representation: ASCII and Binary

ASCII STL

An ASCII STL file lists the triangles with the coordinates of their nodes in a readable format for any text editor application.

Binary STL

In a Binary STL file the data is compressed but only readable for the appropriate STL application/machine.

Binary representation is more commonly used due to its smaller file size.

More about STL format: http://en.wikipedia.org/wiki/STL_(file_format)

For information about saving an ARCHICAD model to STL format, see Stereolithography (.stl).

Open STL file

1.Go to File > Open > Open file

2.Select Stereolithograpy File as file type

3.Browse for the STL file

4.Click Open

Merge STL file into existing model

1.Go to File > Interoperability >Merge

2.Select Stereolithograpy File as file type

3.Browse for the STL file

4.Click Open

Limitations

1.ARCHICAD does not check the exported STL file for errors, e.g. in terms of solidity. These are usually done by the 3D printer.

2.STL file does not store the scale and unit of the model, these have to be set in the viewer/printer. ARCHICAD always exports 1 m as 1 STL unit.

3.If the imported geometry is very complex, it may affect the performance of ARCHICAD. In this case, you will see a warning dialog.

4.Note that if the geometry of the model is overly complex, there is a chance that the import will fail and no object will be generated.

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