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Blender <-> HeadusUVLayout/RizomUV bridge (2in1)


Blender <-> HeadusUVLayout/RizomUV bridge is a Blender 2.8 addon for UV maps editing in Headus UVLayout v2 or RizomUV applications.


GNU General Public License.


Windows only


Blender->Edt->Preferences->Add-ons->Install from file…
Define paths to applications.

PS: Uncheck the relative path option when selecting root folders for applications.

How to use:

Everything is automatic:

  • Select mode (New or Edit), UV channel for edit
  • Send to UVLayout or RizomUV
  • Do UVs
  • When finishing:

     - UVLayout - press the “Send” button

     - RizomUV - press shortcut “Ctrl+S” or Save the file

That's all. You will receive UVs automatically and application(UVLayout or RizomUV) will be closed(not Blender).


Forum thread on blenderartists.org

Many thanks!



RizomUV part updated:

  • reworked connection, now blender doesn't "freeze"
  • added "exit after save" in preferences
  • some minor code fixes


  • Blender 2.81 compatibility fix


  • Fixed import when the active collection is hidden
  • Added view3d overlay text for rizomuv and uvlayout 

  • Sent to rizomuv - use modifiers option - disabled. 
  • For final UV - apply all modifiers before send.
  • For keeping modifiers - just send to rizomuv  - it will send the base mesh

  • UI Panel update. Mode (New/Edit), channel selector and Send to UVLayout/RizomUV buttons visibility rules added. 


Fixed MultiUV function:

  • 1. Reverse order of UVchannels after RizomUV
  • 2. Now when MultiUV function enabled New/Edit modes and channel                  selector do not take any effect on sending parameters
        So better to enable MultiUV function in preferences and enjoy using only            send button and forget about channel selector and modes tweaking.
  • 3. The naming of the UVmaps/channels in case of RizomUV restrictions,            B2RULV automatically renames channels. For example 4 channels:                UVmap.000, Mask, Details, ch4.
        after bridge usage becomes: 
        ch1_UVmap_000, ch2_Mask, ch3_Details, ch4 


  • Local view fix

  • Fixed error when the import of "heavy" models from RizomUV to Blender gives an error

  • for bpy.ops.export_scene.obj:  "use_mesh_modifiers_render" parameter doesn't exists anymore(in case of Blender's API update)

  • Fixed bug with vertex groups for UVLayout

  •  Fixed code in case Blender updates
  •  Preferences updated 
  •  Code improvements
  •  Icons added


  • Multi UV fixes and improvements
  • Added RizomUV preferences (unwrap and layout tabs)  


for the latest version of Blender-2.80-c9df453ce70b and up (i hope) in case of user properties redesign.

Bug fixes: for RizomUV part of addon:

  • UVmap name doesn't correspond RizomUV naming rules
  • MultiUVmap feature added

Before install remove previouse addon and cleanup addons directory("x:\Users\YourName\AppData\Roaming\Blender Foundation\Blender\2.80\scripts\addons\.." )  B2RizomUVLayout_Bridge folder and B2RizomUVLayout_Bridge.py file.

v002 - for the latest version of Blender-2.80-c9df453ce70b and up (i hope) in case of user properties redesign.

*Digital products are non-refundable

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Blender <-> HeadusUVLayout/RizomUV bridge (2in1)

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