example use of pdf-kit

pdf-kit.rb

# your controller

def export_pdf

  html = render :layout => 'print' #or false

  kit = PDFKit.new(html)

  kit.stylesheets << "#{Rails.root/app/assets/stylesheets/print.css" 

  send_data(kit.to_pdf, :filename => "your_pdf_name.pdf", :type => 'application/pdf')

end