Bring the settings to the front with the Layers open.
We use the same process as assigning the "Circles - filled" renderstyle name.
- Select the "update settings"
icon, this updates
the renderstyle list from the library file.
- Select the renderstyle name called default currently assigned to the rectangle layer name.
- A drop down box arrow will appear on the right.
- Selecting the arrow opens up the list of renderstyle names from the abc.rsl file.
- Select the new renderstyle name.
- Select enter to accept the change.
- Select save to save the changes.
- That renderstyle is now assigned to that layer.