Armatures

"Open" the interactive view and press [s] to download an *.STL file that describes the form.

The list of vertices seems short enough to reasonably be saved as a feature of the token[1] and, if need be, later used to reconstruct the form.[2] The *.STL file is built by passing the vertices to a template.[3] Reconstructing from the feature data would work similarly: split the string at two digits after each decimal point and restore leading zeros before passing to an (ascii) *.STL template.

[1] It worked as expected in testing on (fx)hash, but no guarantees I got this right the first time.

[2] See "L-Template" Collection, https://www.fxhash.xyz/generative/slug/l-template

[3] E.g. (with dashes standing in for leading whitespace):

solid item
--facet normal 0 0 0
----outer loop
------vertex {} {} {}
------vertex {} {} {}
------vertex {} {} {}
----endloop
--endfacet
[...]
endsolid item