diff --git a/.gitignore b/.gitignore
index a9c6d62..f2493d4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,6 @@
 *.log
 scad/conf/machine.scad
 scad/stl.scad
+scad/bom.scad
 dummy.csg
 Thumbs.db