Convert from Bézier surfaces RIB file into something Blender can import?

Can anybody recommend a free converter that’ll turn a Bézier surfaces RIB file into a mesh format that Blender can import? I have a RIB file of Ed Catmull’s “Gumbo” that I’d like to use in Blender.

gumbo.rib (37.3 KB)

This post mainly to make the infobar show up in the top post, but here’s a pic from Wikipedia of Ed Catmull’s “Gumbo”: