# File app/models/nametag_format.rb, line 64
  def size(unit=:pt)
    divisors = {:pt => 1.0, :in => 203.0, :cm => 80.0}
    div = divisors[unit] or 
      raise TypeError, _('Unknown unit specified: %s') % unit

    '%.2fx%.2f' % [h_size / div, v_size / div]
  end