Grasshopper

algorithmic modeling for Rhino

Hey folks,

I'm new to Grasshopper and Rhino, and I've searched and tried as much as i can, but I'm really stuck. To add insult to injuries, my finals are on modnay. Joy.

Ok, here's the problem, I have a curvy, paneled facade that I need to print flat so I can heat it and wrap it around the rest of my model. As far as I can see, there's two ways I can do this. Whichever is easier, I'd be delighted with.

Option 1:

Make it in grasshopper as a flat surface with the panels on it, then smash/unfold it in rhino and extrude it there.

Option 2:

Make the whole facade in grasshopper and somehow unfold it then.

Here's what the facade looks like:

So far, the design process was quite simple. It's just geometry box-morphed onto an surface box. Along the way I have things like the lofted surface, the surface boxes and the original geometry. The problem is that I don't know a) how to use surface morph using the domains I have for the surface box, and b) how I can get this to unroll/unfold.

What I really need is the facade unrolled flat, but still with a thickness.

Any help would be MASSIVELY appreciated.

Views: 1266

Replies to This Discussion

Could you split it where you have lines running top to bottom and create a series of flat surfaces which you could then lay flat and join together... Do what you can in GH and finish the job in Rhino?

I think unrolling a developable surface will only work with surfaces that are curved in one direction only. Smashing surfaces can give weird results and I think is best suited to surfaces with just a small amount of curvature. I seem to remember it giving results similar to what you get when you peel an orange!

From a manufacturing perspective, breaking the facade down into managable sections might be easier and there are some examples around of taking panels and laying them out in a flat grid which would be a good starting point for joinging them together in a sort of "net" which would fold up into the facade.

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