Modeling a SubD cheese grater (punched holes with extrusions/lofts)

Hello,

I’m working on modeling a 2 piece ergonomic cheese grater with SubD in Rhino7. I’m struggling with getting the punched holes to array on my curved grater surface. I’ve tried arraysrf and paneling tools but still can’t figure this out. How do I array a punched hole on a curved SubD surface?

make your grater surface flat then project or flow it onto your curved surface.

see this video

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The minimum quantity for one hole is one face.
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