brushes = files(
  'Cell-01.gbr',
  'Cell-02.gbr',
  'Hatch-Pen-01.gbr',
  'Smoke.gbr',
  'Texture-01.gbr',
  'Texture-02.gbr',
  'Vegetation-01.gbr',
  'Grass.gih',
  'Stone-Work-01.gih',
  'Texture-Hose-01.gih',
  'Texture-Hose-02.gih',
  'Texture-Hose-03.gih',
  'Vegetation-02.gih',
)