A holder for solder scroll from Victor (link below), so you don't have to “throw” it to the table among other stuff and then look for it like crazy each time. It also allows to be picked up quickly. There are two versions: single holder and triple holder, if you have different solders.
Solder scroll from Victor: https://www.printables.com/model/843353-solder-scroll-ergonomic-adjustable-solder-tool
The author marked this model as their own original creation.