diff --git a/lib/plot.py b/lib/plot.py
index f1fce47..72c0129 100644
--- a/lib/plot.py
+++ b/lib/plot.py
@@ -121,7 +121,9 @@ class Paper:
 
 
 A4_PORTRAIT = Paper(210, 297, 20)
+A4_LANDSCAPE = Paper(297, 210, 20)
 A6_PORTRAIT = Paper(105, 148, 8)
+A6_LANDSCAPE = Paper(148, 105, 8)