Update README.md

Changed links from branches to relative paths

plugins/blender-geometry-utilities/README.md

@@ -3,12 +3,12 @@
 In order to have your custom character in the metaverse, there is a process and an initial setup, \
 the workflow for this will be using Blender, with a collection of addons and custom tools.
 
-Blender 3.5+ https://www.blender.org/download/
+Blender 3.5+ https://download.blender.org/release \
 
 These tools are available below, they are specific versions, you can check the links for different versions \
 Game Rig Tools: https://toshicg.gumroad.com/l/game_rig_tools \
 Surface Heat Skinning: http://www.mesh-online.net/shd-blender-addon.zip \
-Improbable Blender add-on for the geometry utilities: [improbable_geometry_utilities.py](https://github.com/mml-io/avatar-tools/blob/feature/blender_avatar_tools/plugins/blender_geometry_utilities/improbable_geometry_utils.py)
+MML Blender add-on for the geometry utilities: [mml-avatar-tools.py](./mml-avatar-tools.py)
 
 Tips:
 It's better to install each Addon manually, in Blender you can install addons by pointing it to the zip files or python files,