Hi Gianluca,
Please select the desired attribute image size from here.
Once you have made the change, you will have to regenerate the thumbnails.
You can regenerate the thumbnails using this plugin.
Additionally, you can use this option to select and enlarge the image attribute.
If you need further assistance, please let us know.
Thank You
Increase the Image Size variables
gianluca orsi
I need to make the images of the variable icons larger.
How can I do it?