The File Extensions Database


.RMTL File Extension

  • Developer by: Robert McNeel & Associates
  • Category: Graphics Files

What is an .RMTL file?

.RMTL is Rhino 3D material data

The rmtl file extension is associated with the Rhino 3D, a 3D CAD and CAM modeling and rendering tool for Microsoft Windows and OS X (macOS) operating systems.

The rmtl file stores material for Rhino 3D models.


How to open:

Use Rhino 3D to work with *.rmtl material data.

How to convert:

Rhino 3D may be able to export *.rmtl files to other formats.

How to solve problems with RMTL files

  • Associate the RMTL file extension with the correct application. On :
    Windows: Right click on any RMTL file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.RMTL files". Mac: Right click (or Ctrl-click) the RMTL file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .RMTL is Rhino 3D material data. Because only the current version supports the latest RMTL file format. Search, therefore, e.g. on the Robert McNeel & Associates manufacturer website after an available .RMTL is Rhino 3D material data update.
  • To make sure that your RMTL file is not corrupted or virus-infected, get the file again and scan it with antivirus software.