diff -r a01a3fd32073 -r d26669bf424e data.py
--- a/data.py	Mon Apr 03 19:40:06 2017 +0200
+++ b/data.py	Mon Apr 03 20:04:15 2017 +0200
@@ -8,6 +8,9 @@
 	"12S"	: [204, 550, 12, 15.4],
 	"12L"	: [171, 690, 12, 14.5],
 	"15"	: [204, 640, 15, 18.1],
+	"16"	: [204, 670, 16, 19.5],
+	"18"	: [204, 710, 18, 20.5],
+	"20"	: [204, 810, 20, 22.0],
 }
 
 # Standard Rohrdurchmesser (Mr. Baumarkt)