J805
2
Hey @cornelius.de.jongh 
I have done this before. It takes a little ‘outside of the box’ thinking. So what I did was:
When displaying the information, use a repeating group where all potential tile types are in one cell. Then depending on what tile the user chooses, only display that tile element in the cell using conditionals. That will create an unlimited list of tile type options for the user.
I would give an example for you but at the moment I am booked fully with back to back appointments till Monday, so far. So, once I get a spare moment, in between sessions, I can try to work on an example. It may take a while since I have to give priority to those who book sessions first. Hope you can understand.
Hope that helps! 
@j805 www.NoCodeMinute.com
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