On the Dashboard page you can find the 🎨 button on the top-left of the screen. It allows you to design all your queues at same time.
On the center of the screen you have actions that change the queue or column
Swap between Vanilla, Mosaic and List display type
Change between product size 1 and 9
Change the relative width of queues
Change the relative height of the queue within the column
The side actions allow you to change the column positions, join and leave a column
Allows you to swap all queues between 2 columns
Place this specific queue inside the column next to it
Remove this specific queue from inside the current column
Allows you to swap positions within the column