really cool.  nice job.

On Apr 29, 11:18 am, Dan <danielpi...@yahoo.co.uk> wrote:
> There have been some nice definitions of this linkage already, but I
> made one with a locus so you can see the range of motion traced out:
>
> http://groups.google.co.uk/group/grasshopper3d/web/4barlocus.jpg?hl=enhttp://www.hotlinkfiles.com/files/2493951_sn1bk/4_bar_locus.ghx
>
> This was done mainly as an exercise in using paths and data trees, but
> I thought I'd share in case anyone else wants to have a play with it.
>
> (I first started exploring linkages years ago through this program
> called Cinderella:http://vimeo.com/3490609
> It's great fun, and very quick to use, but limited to 2D and it's cool
> now to have GH for doing this kind of thing in 3D.)

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