diff --git a/Rakefile b/Rakefile
index 0f9168e..0240aa6 100644
--- a/Rakefile
+++ b/Rakefile
@@ -115,9 +115,10 @@ end
 desc "archive gerbers"
 rule ".brd.zip" => ".versioned.lht" do |t|
   base = File.basename(t.source, ".versioned.lht")
-  puts base
-  sh "pcb-rnd -x cam gerber:JLC_PCB --outfile #{base}.brd #{t.source} 2> /dev/null"
-  sh "zip --quiet #{t.name} #{base}.brd.xln #{base}.brd.a* #{base}.brd.g*"
+  dir = "fabrication"
+  sh "mkdir #{dir}" unless File.directory?(dir)
+  sh "pcb-rnd -x cam gerber:JLC_PCB --outfile #{dir}/#{base}.brd #{t.source} 2> /dev/null"
+  sh "zip --quiet #{t.name} #{dir}/*"
 end
 
 desc "generate BOM file from schematic"