// is C: one line comment and /* .... */ multiline comment. Try this { etc, etc, etc v 1.00 0.75 3.141592 v 0.00 0.00 0.00 # this comment will corrupt the mesh v 0.75 0.75 2.00 etc etc etc } And this { etc, etc, etc v 1.00 0.75 3.14159264 v 0.00 0.00 0.00 // this comment works fine v 0.75 0.75 2.00 etc etc etc }

Stupidity also evolves!