Hi Marcin,
You can change the size of your desired attribute from here.
There are no global settings right now but you can change the shape of your desired attribute for targeted products.
Go to the product edit section and you will find the option.
Thank You
how to make gallery images in differnet sizes?
Marcin Godek
HI
Is it possible to make variations in different sizes and shapes?
Screenshot attached to attention
Thank you
Martin