Grasshopper

algorithmic modeling for Rhino

# Path following tetrahedron

Preliminary tests with tetrahedron as a building element and curves as guiding geometry.

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Comment by Ángel Linares on August 1, 2017 at 6:07pm

This was one of my first autoassigned exercises when I started learning rhinoscript, very nice outcome here! One tip for your not closing structures: tetrahedron and octahedron fill the space placed in the correct order (if you are interested in connected structures with different branches)

Comment by Tuan N. Tran on July 31, 2017 at 2:55pm

Awesome work.  We implemented a similar algorithm awhile back on a lobby sculpture.

Proof of concept GH video link

Final installed sculpture images.

The nesting speed in your video is fast.  Any special library you're using?  Looking forward to the release as part of Fox.  Keep up the good work.

Comment by edris omrani on July 29, 2017 at 11:04pm

hi can someone tel me what can i do?

Comment by Gediminas Kirdeikis on July 29, 2017 at 6:33pm

Thanks,

Currently I'm working with all Platonic solids + equilateral triangular prism as my base. Tetrahedron is a go-to shape because it has the least amount of faces, meaning least amount of plane ID's to deal with.

Comment by Caelum Praecelsus Arquitectura on July 29, 2017 at 10:00am

Very interesting!

Are you exploring other polyhedral shapes?

Comment by Gediminas Kirdeikis on July 29, 2017 at 4:36am

There are multiple ways to go about the "NO solution" problem. The one that I chose was "use a different (second-best) starting point for the whole branch"

Comment by Ethan Gross on July 28, 2017 at 3:56am

I like when it decides there is no viable path without collision and then goes back and reconsiders. What happens if there is absolutely NO solution, or does it just jump as high or low as necessary?

Comment by Gediminas Kirdeikis on July 28, 2017 at 2:37am

Thanks! The definition is still pretty clunky, but once it's cleaned up I'll prepare some sort of a tutorial.

Also the functionality of guide curve(s) following growth might appear in the next iteration of Fox plugin by Petras Vestartas , so keep an eye out for that.

Comment by James Morton on July 27, 2017 at 6:31pm

man this is sweet, any chance of having a peek at the process?

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