How to control diamond surface depth?

I am a grasshopper beginner.
I made a diamond surface using the lunchbox and the holes manually.
My question is how can I control the diamond surface depth.
I need to control the surface depth and the direction for the mold.
Please, Help me.!
diamond_hole_attraction.3dm (798.5 KB) (5.7 KB)

Offset Surface, then apply Lunchbox diamonds to that surface as well.
Some offset cells and loft on top if you want to get a frame.

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If you do not mind using plugins: (41.8 KB)


Thanks all~
I should learn more.