making a 3D figure out of coordinates

Here's my problem:
I've got coordinates(100 times x, y and z) of a bonepiece, but they are not organised in any way. I want to make it a solid bonepiece and I thought of connecting the coordinates(three at the time) wich are close together and facecolor them with patch.
is it possible to make a loop to find the close dots so I can make one solid piece?
or is there another way to make it solid? I also thought of mesh or surf but you need a grid for that and they're not on a grid.(and you would need two grid's right?)
please help me!
.

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