diff --git a/quad/.gitignore b/quad/.gitignore
new file mode 100644
index 00000000..ecdd453e
--- /dev/null
+++ b/quad/.gitignore
@@ -0,0 +1,20 @@
+# for Racket
+compiled/
+
+# for Mac OS X
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear on external disk
+.Spotlight-V100
+.Trashes
+
+
+*logger.txt
+*log.txt
+*.pdf