Hi @phelimmc , the physical stacking relates to the use of dedicated stacking ports on the switches. What you're doing here is fine and would be labeled daisy-chaining switches.
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.