diff --git a/Rakefile b/Rakefile
index 8653b2a..6435eda 100644
--- a/Rakefile
+++ b/Rakefile
@@ -15,6 +15,8 @@ require 'csv' # to export BOM and costs
 
 # common name used for file names
 name = "usb_hub"
+# additional schematic sheets
+sheets = ["usb_hub-dfp1", "usb_hub-dfp2", "usb_hub-dfp3", "usb_hub-dfp4", "usb_hub-dfp5", "usb_hub-dfp6", "usb_hub-dfp7"]
 # project version, read from "version" file
 raise "define project version in 'version' file" unless File.exist? "version"
 version = IO.read("version").split("\n")[0]
@@ -37,8 +39,12 @@ task :default => [:print, :fabrication, :bom, :pnp]
 
 desc "print schematic and layout (as pdf)"
 prints = [ "#{name}.sch.pdf", "#{name}.brd.pdf", "#{name}.brd-top.svg", "#{name}.brd-bottom.svg" ]
+unless sheets.empty? then
+  prints += sheets.collect{|sheet| "#{sheet}.sch.pdf"}
+  prints << "#{name}.sch-all.pdf"
+end
 task :print => prints
-CLEAN.include([ "#{name}.versioned.sch", "#{name}.versioned.lht" ])
+CLEAN.include([ "#{name}.versioned.sch", "#{name}.versioned.lht" ] + sheets.collect{|sheet| "#{sheet}.versioned.sch"})
 CLOBBER.include(prints)
 
 desc "generate fabrication gerbers (as archive)"
@@ -92,6 +98,11 @@ rule ".sch.pdf" => ".versioned.sch" do |t|
   sh "lepton-cli export --color --paper=iso_a4 --layout=landscape --output=#{t.name} #{t.source} 2> /dev/null"
 end
 
+desc "generate grouped printable version (PDF) of schematic"
+rule ".sch-all.pdf" => ["#{name}.sch.pdf"] + sheets.collect{|sheet| "#{sheet}.sch.pdf"} do |t|
+  sh "pdfcat --output #{t.name} " + t.prerequisites * " "
+end
+
 desc "generate printable version (PostScript) of board layout"
 rule ".brd.ps" => ".versioned.lht" do |t|
   sh "pcb-rnd -x ps --ps-color --media A4 --psfile #{t.name} #{t.source} 2> /dev/null"