drcs.py.diff

diff --git a/drcs/drcs.py b/drcs/drcs.py
index ee1bd43..d8d244d 100644
--- a/drcs/drcs.py
+++ b/drcs/drcs.py
@@ -32,8 +32,8 @@ class DrcsConverter:
             self.DCS = '\x1bP'
             self.ST = '\x1b\\'
 
-        self.cellwidth = 15
-        self.cellheight = 24
+        self.cellwidth = 8
+        self.cellheight = 16
         self.columns = columns
         width, height = image.size
         if rows is None:
@@ -45,6 +45,7 @@ class DrcsConverter:
         self._use_unicode = use_unicode
         width = self.cellwidth * self.columns
         height = self.cellheight * rows
+        height += 6 - height % 6
         image = image.resize((width, height))
 
         if ncolor > 256: