def grid(opts = {})
      range = Args::CardRange.new(opts[:range], deck_size: size)
      draw  = Args::Draw.new(custom_colors).load!(opts, expand_by: size, layout: layout, dpi: dpi)
      box   = Args::Box.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
      range.each { |i| @cards[i].grid(box[i], draw[i]) }
    end
def grid(opts = {})
      range = Args::CardRange.new(opts[:range], deck_size: size)
      draw  = Args::Draw.new(custom_colors).load!(opts, expand_by: size, layout: layout, dpi: dpi)
      box   = Args::Box.new(self).load!(opts, expand_by: size, layout: layout, dpi: dpi)
      range.each { |i| @cards[i].grid(box[i], draw[i]) }
    end
DSL method. See http://squib.readthedocs.io