Snap marks or What to make this.....?

[Jules]

If you have Snapmarks enabled, by all means use those.
There’s a tutorial on how to do it here:

Notes on Working with Snapmarks™

Introduction to Snapmarks :arrow_upper_right:This is the first thing to read through. (Obviously.) 1. If you have any problems… First report it to @bonny on the Introducing Snapmark thread to help the team develop a workaround. Tell them the dimensions of the snapmarks in your design program, the name of the design program, the version number and the operating system. 2. Make sure you do not accidentally reshape or rotate the Snapmarks…they will not work. 3. Other rules to follow …