Release Notes

Version 1.2.12 (2024-04-11)

  • Added support for SketchUp 2024.

Version 1.2.11 (2023-04-25)

Bug fixes

  • Fixed the installer not working on older Mac computers.

  • Fixed V-Ray proxies not working with V-Ray 6.

Version 1.2.10 (2023-04-18)


  • Added support for SketchUp 2023.

  • Added support for ARM-based Mac chipsets (M1, M2).

Bug fixes

  • Fixed translucency maps sometimes not being found.

  • Fixed V-Ray proxies not working with V-Ray 6.

Version 1.2.9 (2022-04-26)

Bug fixes

  • Fixed exporting Quixel Megascans assets with variants not working.

  • Fixed Transmutr not notifying users about new versions available for download.

  • Fixed the “Release Notes” button in the options not opening the correct URL.

Known issue: Transmutr does not work in SketchUp 2022 on Mac computers with M1 chips. We're working on M1 support for a future version.

Version 1.2.8 (2022-02-21)


  • Added support for SketchUp 2022.


  • Improved support for the “Reflection Glossiness” and “Reflection Roughness” material attributes.

  • Added a warning message when importing unsupported assets from Megascans, such as standalone materials.

  • Added a button in Transmutr and a menu entry in SketchUp to open Transmutr’s manual.

Bug fixes

  • Fixed the export step that copies textures sometimes failing silently.

  • Fixed some models with n-gons showing artifacts when exported.

  • Fixed normal maps not being detected for some models using unconventional attribute names.

  • Fixed textures not being properly applied on models loaded without texture coordinates.

  • Fixed the Megascans connection not working immediately after changing the port.

  • Fixed several crashes that could happen when exporting a model.

  • Fixed the “See release notes” button in the options opening the wrong webpage.

  • [Studio version] Fixed floating licenses not getting released when closing Transmutr.

Version 1.2.7 (2021-06-16)


  • Added Reflection Glossiness/Roughness.

  • Added support for SketchUp 2021.1.


  • Improved the bump/normal setting automatic detection.

  • Generate generic UV coordinates if they are missing.

Bug fixes

  • Fixed an error that sometimes occurred when copying textures to the destination folder.

  • [Studio version] Fix proxy placeholder when using the CLI.

  • [Studio version] Fix VRMat path in automations.

Version 1.2.6 (2021-04-07)


Bug fixes

  • Fixed V-Ray proxy export failing due to a recent V-Ray updates.

  • Fixed the ply2vrmesh.bin executable being referred to as ply2vrmesh.exe on OSX.

Version 1.2.5 (2020-12-07)


  • Added support for SketchUp 2021.

Version 1.2.4 (2020-10-21)


  • [Studio version] Adding more automation patterns: DiffuseMapName, DiffuseMapExt, SourceFolderName, SourceFolderParent, SourceFolderParentName.

  • [Studio version] Allow overriding options with the CLI.

Bug fixes

  • Fixed crash with V-Ray 5.

  • Fixed V-Ray TwoSided materials.

  • Fixed texture paths in Enscape materials.

  • Fixed BottomCenter and TopCenter preview.

  • Lookup in nested folders when searching for map paths in VRMats.

  • [Studio version] Fixed paths lookup when using the CLI.

  • [Studio version] Fixed translucency map path missing in automations.

Version 1.2.3 (2020-04-24)

Bug fixes

  • Fixed BottomCenter and TopCenter not being applied in the preview.

  • [Studio version] Fixed automations not being applied when using the CLI.

  • [Studio version] Fixed automations being applied twice in some cases.

Version 1.2.2 (2020-04-06)

Bug fixes

  • Fixed Megascans files with variants not exporting.

  • Fixed the Download button that shows up when a new version of Transmutr is available.

Version 1.2.1 (2020-03-31)


  • The "Smooth Angle" setting is now applied to proxies as well.

  • Added options to mitigate the artifacts generated by SketchUp when scaling a mesh with small faces (see Maximum mesh scale correction and Mesh scale correction multiplier).

  • [Studio version] Reflection Glossiness and Refraction Glossiness can now be set using automations.

Bug fixes

  • Fixed instances not being exported as components.

  • Fixed the extension toolbar showing up even after being previously closed by the user.

  • Fixed presets not being saved.

  • Fixed some colors not being formatted correctly in Enscape materials, which resulted in all parameters being ignored by Enscape.

  • Fixed a crash occurring when objects had no materials applied to them.

  • Fixed a crash occurring when scanning unauthorized directories.

  • Fixed V-Ray proxy export failing in rare cases.

  • [Studio version] Fixed automations not being loaded from presets.

Version 1.2.0 (2020-03-09)

New features

  • 🍎 MacOS support.

  • Transmutr can now import SKP files.

  • Transmutr can now edit individual components directly from an opened SketchUp document.


  • Transmutr now installs for SketchUp 2020.

  • Texture maps embedded in FBX files are now extracted.

  • Duplicate material names are now renamed automatically.

  • It is now possible to choose for which rendering engines materials are exported.

Bug fixes

  • Fixed tiny faces not being created in some cases.

  • Fixed the generation of VRMesh proxies not reporting errors in case of failure.

  • Fixed missing textures not being reported to the user.

  • Command-Line Interface: fixed simplified meshes being sometimes assigned the wrong materials.

  • Fixed materials with "<" or ">" in their name not loading.

  • Fixed a crash that occurred when running several instances of Transmutr simultaneously.

  • Fixed the connection to Megascans failing silently when the communication port is already in use.

Version 1.1.2 (2019-10-24)

New features

  • Added an option to add a custom prefix to relative paths

Bug fixes

  • Fixed the connection with Megascans Bridge not working for some users

  • Fix proxy export with non-ascii paths

  • Fixed small issues when smoothing edges

Version 1.1.1 (2019-09-27)


  • Objects that occur only once are now exported as groups, whereas objects occurring multiple times are exported as component instances.

  • Transmutr now produces slightly cleaner hierarchy: the top-most group (root node) is now omitted and its children are added to the model itself.

Bug fixes

  • Fixed Megascans assets with variants not being exported.

  • Fixed Transmutr producing errors when exporting over existing files.

  • Fixed crashes occurring on systems with non-ASCII paths.

Version 1.1.0 (2019-09-09)

New features

  • [Studio version] Added a Command-Line Interface to use Transmutr from a terminal or with your own custom scripts in order to easily process large sets of models. Read the documentation here.

  • [Studio version] Added Material Automations to let you apply your own automatic transformations to materials with a brand new visual scripting interface. Read the documentation here.

  • You can now open files in Transmutr from the Windows explorer with Right-click > Open with. You can also associate some 3D formats to be automatically opened with Transmutr by clicking the Always use this app to open .obj/.fbx/.3ds/... files checkbox.

Bug fixes

  • Fixed mesh simplification not being applied in the preview when loading preset settings.

  • The scale is now correctly affected when changing the model dimensions in Stats

  • Fixed some OBJ files generating parsing errors during loading (this error especially occurred for files exported from Rhino).

  • Fixed remote trial extensions not working.

Version 1.0.6 (2019-08-08)

Bug fixes

  • Fixed SketchUp not automatically opening converted files.

Version 1.0.5 (2019-06-11)

Bug fixes

  • Fixed blank screen when windows username contains special chars.

Version 1.0.4 (2019-06-10)

New features

  • Transmutr can now import STL files.

  • When launched from SketchUp with Thea v2.1 (and above) active, Transmutr will export Thea proxies as *.mod.thea files instead of *.xml files.


  • Transmutr now reads the "Up Axis" attribute that is sometimes stored in FBX files so that models are automatically rotated as intended.

Bug fixes

  • Fixed missing material in V-Ray proxy when placeholder is "Simplified Geometry" or "Full Geometry"

  • Fixed texture paths discarded when the drive letter is assigned but disconnected

  • Fixed camera clipping plane not being updated when changing modifiers (scale, origin, etc)

Version 1.0.3 (2019-05-04)

Bug fixes

  • Fixed Transmutr files crashing SketchUp 2017 (and below) when saving

  • Fixed a bug introduced in v1.0.2 that made some textures black in the preview

Version 1.0.2 (2019-05-03)

New features

  • Added floating licensing to dynamically share license seats between employees of the same company, up to a predefined number of concurrent users. Please contact us if you are interested in this type of licensing (Studio licenses only).


  • Transmutr now scans the directory of the model to search for missing textures. This is helpful in some cases when the model contains absolute paths that are no longer valid.

  • Geometry simplification should feel faster on the first simplification, since heavy initialization work is now done as a background process.

Bug fixes

  • Fixed the general options being reset to default values when loading a new model after the first one.

  • Fixed license keys being considered invalid when manually typed with some variations (eg. lowercase, spaces).

  • Fixed a crash that occurred when loading a model with TIFF textures.

  • Fixed the preview appearing empty for a few seconds after loading large models.

  • Fixed V-Ray issues that occurred when some materials had names containing characters not supported by V-Ray.

  • Fixed a rare crash that occurred when loading a FBX model with invalid per-face material data.

Version 1.0.1 (2019-03-25)


  • The trial is now 7 days long

  • Reset the camera position when loading a new model

Bug fixes

  • Fix some billboard placeholders having the wrong width depending on the model's orientation

  • Fix badly constructed faces from corrupting whole objects

Version 1.0.0 - Public release (2019-03-21)


  • The 3 days trial is now available

  • "Open File" dialogs are now always on top of the main window

  • The SketchUp extension is now signed

Version 0.4.3 (2019-03-20)

Bug fixes

  • Fix the simplification damaging UV seams

  • Fix loaded presets not being applied immediately

Version 0.4.2 (2019-03-16)


  • Adding base materials to complement V-Ray 2Sided materials, as a workaround to the issue of texture scale discrepancy in V-Ray Next

  • Adding a dummy colorized texture when a material doesn't have a diffuse map but has other maps, to preserver UV mapping

  • Enable materials "Normal" setting if the bump map's name contains "norm"

Bug fixes

  • Fix FaceSkipping's face count not working

  • Fix geometry simplification producing holes in some cases

  • Fix emissive color

Version 0.4.1 (2019-03-14)

Bug fixes

  • Fixed power-of-2 textures (512, 1024px...) being flipped in the preview

Version 0.4.0 (2019-03-13)

New features

  • Brand new simplification engine: much faster, and more reliable

  • Old FBX files (FBX version <2011) can now be opened


  • Renamed "Proxy Preview" to "Placeholder"

Bug fixes

  • Fixed textures being flipped vertically in the preview

  • Fixed textures being flipped vertically in Thea proxies

  • Fixed geometry disappearing in models with tiny faces

  • Fixed some textures appearing stretched in the preview

  • Fixed Transmutr crashing when opening ill-formed models with invalid texture paths

Version 0.3.4 (2019-03-04)

New features

  • All Proxy Preview types are now available for Artist licenses (adding 'Billboard', 'Simplified Geometry', and 'SketchUp File').

  • We can now edit the target face count when using 'Face skipping' proxy preview.

  • The model's dimensions are now displayed in the 'Stats' section, and are editable (this will update the Scale multiplier).

  • Transmutr now exports Megascans assets with multiple variants.


  • Sped up the import of large models with many objects.

  • It is now possible to drag and drop maps between slots.

  • Added a security certificate so that Transmutr is less likely to be flagged as malware by antivirus softwares.

  • Transmutr will now use the scale factor of FBX files.

  • The 'Cancel' button has been renamed to 'New' and asks for confirmation.

  • Added an input field next to the Simplification slider.

  • The Simplification slider is now non-linear by default, as we usually need high simplification levels. This behavior can be disabled.

  • Improved the look of the icon on Windows.

Bug fixes

  • Fixed simplification producing many holes in the mesh. Holes can still happen, but they should be much less frequent.

  • Fixed some TIFF textures crashing the app because of an unsupported internal compression mode.

  • The camera clipping plane now depends on the size of the model. This avoids huge models from disappearing.

  • Fixed some faces not being created when triangulated.

  • Fixed some groups/components not being created when containing tiny faces.

  • Fixed a crash that could occur when creating Thea materials.

  • Fixed the UI being slow when having many materials in the Materials tab

Version 0.3.3 (2019-02-08)

Bug fixes

  • Fixed geometry disappearing in models with tiny faces

Version 0.3.2 (2019-02-07)


  • Transmutr is now smarter when looking for missing maps, it will look in all potential folders. When the user adds a map, Transmutr will look into this folder for all missing maps.

  • VRMat is now a material property instead of a material type

  • Spaces are trimmed from license key to avoid copy/pasting issues

Bug fixes

  • Fixed exploded object when using scale/unit conversion

  • Potential fix for SketchUp not being able to connect to Transmutr, when opening it from SketchUp

  • Fixed 'Communication Port' option not being saved between sessions

  • Fixed wrong material name when created from VRMat

  • Fixed several issues with map paths in VRMats

Version 0.3.1 (2019-01-24)


  • The preview viewport now supports TIFF textures

  • V-Ray Materials: “Diffuse Texture Alpha” is enabled if there is no opacity map

Bug fixes

  • Fixed SketchUp zoom bug when importing models with tiny faces

  • Fixed maps not being copied to the destination folder when exporting Thea proxies

  • Fixed opacity maps not being picked up from FBX files

  • Fixed TGA textures appearing black in the preview

  • Non-planar faces are now triangulated

Version 0.3.0 (2019-01-17)

New features

  • Added Thea proxies

  • Transmutr can now be opened directly from SketchUp, the transmuted asset will be automatically added to the model

  • Added smoothing edges by angle

  • Transmutr now reads basic properties of V-Ray and Corona material in FBX files exported from 3dsmax

  • Renaming materials is now possible


  • Binding is now turned off in V-Ray materials created from a VRMat file

  • Transmutr no longer automatically triangulates the model. It will be triangulated only when using Geometry Simplification.

Version 0.2.1 (2019-01-08)

New features

  • Added a "Face Skipping" proxy type that only keeps a few faces to get an idea of the model's overall shape

  • Added a "Zoom extents" button to make the model fit the viewport


  • Transmutr now adds a dummy colorized texture when the Diffuse slot is empty but other textures are in use (bump, opacity, reflection, etc) in order to preserve UV mapping in SketchUp

  • Texture files can be drag-and-dropped from the file explorer to the slots of the material panels

  • Improved Megascans assets materials

  • Added a notification when a new version of Transmutr is available so that users can easily download it

  • Added a button in the Options panel to open those Release Notes from the application

  • Converting units now sets the appropriate drawing unit in the SketchUp model

Bug fixes

  • Fixed missing geometry when importing models with faces that are smaller than SketchUp allows

  • Fixed texture mapping when vertices of a same face have identical UV coordinates

  • Fixed some edges not being smoothed

  • Fixed the unwanted rotation animation that sometimes started when clicking the "Show edges" button

  • Fixed Megascans asset imported as white when format is OBJ

Version 0.2.0 — Beta stage (2018-12-19)

New features

  • Added Quixel Megascans integration

  • Added "Top Center" origin option


  • Added default filename when saving .skp

  • Significantly sped up mesh simplification for high-poly models

  • Added an option to prefix material names with the model name

  • Added warning when using TIFF bitmaps

  • Options: added a button to open the folder that contains log files

  • Options: added a button to display GPU info for debugging purposes

Bug fixes

  • Fixed the mesh simplification slider

  • Fixed the "Cannot load options" error that occurred if the options were not modified by the user

  • Fixed normal maps color space in V-Ray

  • Fixed browsing for .vrmat files

Version 0.1.4 (2018-12-10)

New features

  • Added Metal material type


  • Added thumbnails to the material panels

  • Added an Options dialog

  • Added notifications (errors, warnings, etc)

  • Tweaked materials

Bug fixes

  • Added better support for paths with special characters

Version 0.1.3 (2018-11-23)

New features

  • The material type is automatically assigned based on the material's name (e.g. "...leaf..." ⇒ Translucent)


  • When exporting a *.vrmesh proxy, the black console window that briefly popped up does not appear anymore

  • Copying maps to the destination folder is now optional

  • Preset saving and loading buttons have been moved to the header

  • It is now possible to unfold multiple materials

Bug fixes

  • Fallback to lower-quality graphics when webGL is not available (Work in progress)

  • Fixed wrong up axis and origin transformations for models that already have a transformed root node

  • Fixed the *.vrmesh proxy generation sometimes locking up the export

  • Fixed automatically finding *.vrmat files matching material names

  • Fixed faces not being exported for some files

  • Fixed material names encoding issues

Version 0.1.2 (2018-11-16)

New features

  • Added Enscape materials


  • Added better feedback when exporting

  • Transmutr now also looks for resources with invalid absolute paths in the model's folder

  • For Emissive materials, the Diffuse color is now the same as the Emissive color

  • Refraction now affects opacity in SketchUp (the lowest value between Refraction and Opacity sets the opacity in SketchUp and Enscape)

  • Profile edges are now disabled in generated *.skp files

Bug fixes

  • Fixed most materials in OBJ files having Refraction set to 1

Version 0.1.1 (2018-11-14)

New features

  • Added Thea materials


  • Added the possibility to pan the viewport's camera

  • Added a checkbox to show/hide the model's edges in the viewport

  • Improved the visibility of the material-picking eyedropper

Bug fixes

  • Fixed Transmutr only working with administrator privileges when installed "For all users"

Version 0.1.0 — Alpha stage (2018-11-08)

Initial preview release to a small number of testers.

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