I have a layer of very 3 x 3 m square polygons. I would like to rasterize just the border of the squares, so the interior cells just have 'nodata' values, and you can see layers below it. When I process this with `rasterize` in QGIS, the whole square comes out black. Any way to do this?

[![parameters][1]][1]

[![result][2]][2]


  [1]: https://i.sstatic.net/kuliW.png
  [2]: https://i.sstatic.net/pD3QW.png