Merge pull request #2254 from IamTheCarl/export_obj_visibility_fix

Made `export_obj` public

crates/fj-export/src/lib.rs

@@ -130,7 +130,7 @@ pub fn export_stl(
 }
 
 /// Export the provided mesh to the provided writer in the OBJ format.
-fn export_obj(
+pub fn export_obj(
     mesh: &Mesh<Point<3>>,
     mut write: impl Write,
 ) -> Result<(), Error> {