brushes = files(
  'Chalk-01.gih',
  'Chalk-02.gih',
  'Chalk-03.gih',
  'Charcoal-01.gbr',
  'Charcoal-02.gbr',
  'Charcoal-03.gih',
  'Pencil-01.gih',
  'Pencil-02.gih',
  'Pencil-03.gih',
  'Pencil-Scratch.gbr',
)