diff --git a/axi/device.py b/axi/device.py
index 8b052d4..a9cb423 100644
--- a/axi/device.py
+++ b/axi/device.py
@@ -21,12 +21,12 @@ PEN_UP_POSITION = 60
 PEN_UP_SPEED = 150
 PEN_UP_DELAY = 0
 
-PEN_DOWN_POSITION = 50
+PEN_DOWN_POSITION = 45
 PEN_DOWN_SPEED = 150
 PEN_DOWN_DELAY = 0
 
-ACCELERATION = 8
-MAX_VELOCITY = 2
+ACCELERATION = 4
+MAX_VELOCITY = 4
 CORNER_FACTOR = 0.005
 
 VID_PID = '04D8:FD92'