Grasshopper

algorithmic modeling for Rhino

How to find curves on trimmed, free form surface for shingles?

Hello Everyone!

I’m relatively new to grasshopper and I would like to ask for your help. I’m trying to timber shingle a trimmed surface in a more accurate way than using the UV grid as it comes from the divide surface for example or the rectangular panelling from lunchbox. 

The curves I want to create, which would be used than as the guides for the shingles are equally distanced from each other, similar as contours but the distance constant between the curves and not along the vector.

I have attached a picture of the final result I’m looking for at the end and also a 3dm of the surface where I need to find these curves.

If there is a post dealing with a similar problem than sorry for duplication and please point me to the right direction because I couldn’t find it yet!

Thank you for your answer in advance!

Máté

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Hi.

One way I can think of is to project shingle pattern on the surface.

The pattern to be projected can be created by projecting the edge curves of the surface onto the floor and offsetting it.

Thank you for the quick reply

My original idea was to first find the curves around the surface and than use those and the surface to draw the shingles according to how the surface bends. I projected curves onto the surface probably in similar way as you did the pattern and than I tried to create rectangles according to the surface and the curve but I’m not sure how to evaluate it to give the right direction for each piece. Also as it is in real life I tried to create the sizes to be random according to a range but connecting these lengths to the dimensions of the rectangles not sure how to do

It might be a bit overkill to draw each shingles one by one, but I have to make a large format print of the facade and it would be nice if it would be detailed and also shadowed.

but as you said it might be easier just to draw the pattern 2D and than project that up

test

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