Try to export to Blender (A, A, Remove Double see this anthology post) or Wings3D all free for easily cleaning your OBJ polygon mesh before exporting in OBJ format for Rhino!
And also try for the fun Moment of Inspiration who is some ergonomic than Rhino
you can make Copy Past : ctrl + c, Ctrl + v between the 2 applications (Moi Rhino, Rhino Moi)
And Moi has an export SKP !
And the best export Nurbs to Polygons if wanted!
And an new exceptional export PDF!
By Grendel Jellybean model from CreatureBox
Moi Export PDF
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