diff --git a/pcb/Rakefile b/pcb/Rakefile
index 032d31c..03ab82c 100644
--- a/pcb/Rakefile
+++ b/pcb/Rakefile
@@ -27,7 +27,7 @@ vpcb = "#{target}_v#{version}.#{pcb_rev.to_s.rjust(3,'0')}.pcb"
 # main tasks
 # ==========
 
-task :default => [:version,:print,:notes,:photo]
+task :default => [:version,:print,:notes,:photo,:gerber]
 
 desc "set version in schematic and layout"
 task :version => [vsch,vpcb]
@@ -68,6 +68,13 @@ task :photo => ["#{target}_layout-top.png","#{target}_layout-bottom.png"]
 CLOBBER.include("#{target}_layout-top.png")
 CLOBBER.include("#{target}_layout-bottom.png")
 
+desc "export gerber"
+task :gerber => vpcb do |t|
+  sh "pcb -x gerber --gerberfile #{target} --all-layers #{t.prerequisites.join(' ')}"
+end
+CLOBBER.include([".top.gbr",".topmask.gbr",".toppaste.gbr",".topsilk.gbr",".bottom.gbr",".bottommask.gbr",".bottompaste.gbr",".bottomsilk.gbr",".outline.gbr",".fab.gbr",".plated-drill.cnc",".unplated-drill.cnc"].collect{|suffix| target+suffix})
+
+
 # ================
 # helper functions
 # ================