When you select an implant in RealGUIDE library, its default sleeve will be set automatically.
In order to set a custom sleeve:- enable the "Show all" icon near the "Sleeves" library section, to bypass RG compatibility filter;
- scroll the list to the top and click on "Custom": your custom sleeves list will appear in Sleeves model column;
- click on the sleeve you want to set, RealGUIDE will assign it to the selected implant and the implant preview will update accordingly.