Surface Tessellation Fillet Trouble

Replies to This Discussion

Permalink Reply by Danny Boyes on April 4, 2011 at 5:24am

You haven't offset the triangles first before filleting. Have a look at david b golding's thread on the same topic as he has come across some problems with the offset component.  http://www.grasshopper3d.com/forum/topics/parametric-truss-query

Also I see you are using the Obsolete Srf Divide Component. Is this because of the output in columns? If so then the solution can be found here:  http://www.grasshopper3d.com/forum/topics/grasshopper-060059-availa....

But I suspect that you already found this and got the Obsolete component. For your specific case the Pathmapper should have {A;B;C;D} --> {A;B;C}. But if you're not sure how to use the Pathmapper to rectify this there is an alternative for finding the corner points of a surface. Explode to get the vertices and then slightly change your List Item Integers.

 

Permalink Reply by oneonth3run on April 6, 2011 at 12:42pm

Thank you very much for your help. I've tried what you've suggested and am still running into some problems. I am not sure how to offset the triangle facets so as to create the 'fillet'. I've tried integrating your example from the truss discussion but am unsure of how to proceed, it seems I am closer to resolving this but my very limited experience/understanding of grasshopper is likely making this more tedious than it should be. 

Where I am now:

 

Attachments:

• Surface_Tessellation.ghx, 249 KB

Permalink Reply by Danny Boyes on April 6, 2011 at 2:18pm

You needed to connect all three of the triangles points to the average component to get the centroid. Also the scale component needed the centroids as its centre for scaling.

 

Attachments:

• Surface_Tessellation_corrections.ghx, 250 KB

Permalink Reply by oneonth3run on April 6, 2011 at 3:21pm

Seems to be working great! Many thanks!