Convert SKP to MAX

A SketchUp model needs this conversion when it must be edited, rendered, or integrated in Autodesk 3ds Max. The usual result is a native .max scene created by importing the .skp geometry and saving it from 3ds Max.

What the SKP format is

.skp is SketchUp's native 3D model format, used by SketchUp Free, Go, Pro, and earlier Google SketchUp releases. It can contain polygonal geometry, groups, components, materials, texture references, scenes, styles, section settings, and model units. Architects, interior designers, contractors, and 3D Warehouse users commonly exchange SKP files.

What the MAX format is

.max is Autodesk 3ds Max's native scene format. Unlike general interchange formats, it can retain 3ds Max objects, modifiers, cameras, lights, materials, renderer settings, animation, and scene references. It is appropriate when the model will continue in 3ds Max with Arnold, V-Ray, Corona, or another supported renderer. A MAX file is version-dependent; the recipient should use a compatible 3ds Max release.

Convert with 3ds Max

1. Check that the installed 3ds Max release includes a SketchUp importer and supports the source SKP version. Import support varies by release, so test the actual file before relying on it for production.
2. Set the intended system units in Customize → Units Setup before importing. Match the SketchUp model's units rather than changing system units after the scene has been built.
3. Choose File → Import → Import, select the .skp file, and review the importer options. Check scale, texture handling, layer or tag interpretation, and instancing options when available.
4. Inspect the result for incorrect scale, missing bitmaps, reversed faces, hidden geometry, unwanted construction objects, and excessive or duplicated components.
5. Relink missing image files through File → Reference → Asset Tracking, repair normals and smoothing where necessary, then use File → Save As to save the scene as model.max.

Saving with File → Save As is the native conversion step; .max is not normally produced through an export command. Direct import avoids an unnecessary intermediate format when the installed importer accepts the SKP file.

Use FBX when direct import fails

1. Open the model in the desktop Pro edition of SketchUp, which provides FBX export, and clean unnecessary geometry before exporting.
2. Choose File → Export → 3D Model, select FBX, and configure units, texture export, and object options.
3. In 3ds Max, choose File → Import → Import, select the FBX file, and match its import units to the SketchUp scene.
4. Verify materials, UVs, normals, hierarchy, and scale, then save the imported scene as .max.

If FBX export is unavailable, Collada .dae or OBJ can provide a fallback, but these usually carry less scene information. OBJ generally transfers mesh geometry, UVs, and basic material references; it does not preserve SketchUp scenes, component behavior, cameras, or animation.

Online conversion options

For a nonconfidential model, an online service such as FabConvert can be used for SKP to FBX or OBJ when that input-output pair is listed in its current format support. Download the converted intermediate file and open it in 3ds Max before saving a MAX scene. Online services generally cannot create a dependable native .max file; they convert to an interchange format first and may discard materials, cameras, instances, animation, or texture links. Do not upload confidential architectural or client files without reviewing the service's retention and privacy terms.

Quality and compatibility limits

• SketchUp materials rarely become equivalent 3ds Max or renderer materials. Rebuild complex shaders, procedural maps, displacement, and renderer-specific settings after import.
• Scenes, styles, section planes, inference data, dynamic-component behavior, and some component metadata may be lost. Recreate them in 3ds Max when required.
• Texture files may be embedded, exported beside the model, or stored as external paths. Keep the texture folder with the conversion and relink files if 3ds Max reports missing assets.
• Clean reversed faces, coplanar surfaces, stray edges, oversized components, and excessive polygon counts in SketchUp before conversion. Check normals, smoothing, and backface visibility in 3ds Max.
• FBX, DAE, and OBJ transfer geometry but do not transfer every SketchUp feature. None becomes a native MAX scene until 3ds Max imports it and saves the result.