Hi I am new to Grasshopper. I finally decided to sit my ass on the chair and not give up this time.

I am trying to start with basic GH tutorials on the web. I really recommend: Rhino Grasshopper on you tube. I am following this tutorial: https://www.youtube.com/watch?v=G6NyEhPPQaU

I am trying to apply same principle to make a chocolate bar. Just to have fun and render it in Keyshot.

At the beginning of the tutorial he applies a Square Grid node (I am using a Rectangle one for the sake of the chocolate bar appearance). I would like to generate a “relationship” between the Size X and Size Y. I am trying to find the real size of a chocolate bar (standard one) I found the proportion by eye, but now I would like to keep the relationship and crank the sizes of the cells.

I am sure it is possible. Could anyone indicate me the way to “fix” a relationship between to numeric value slides ?

Thanks a lot : )