This should be the result of doing either

python ../merge.py testvertices.txt testobj.txt testout.txt
python ../merge.py testvertices.txt testobj-indices.txt testout.txt

4.1 4.2 4.3 4.4 4.5
1.1 1.2 1.3 1.4 1.5
2.1 2.2 2.3 0.0 0.0
3.1 3.2 3.3 3.4 3.5
