# How to turn off pressure sensitivity for grease pencil with a tablet?

How to turn off pressure sensitivity for grease pencil with a tablet?

## 3 Answers

For Wacom tablets (I don't know about others) you can set pressure sensitivity at OS level using the control panel (not blender's user preferences). You can customize the behaviour for different applications, so you can have blender have specific settings to your particular needs.

In case you have a grease pencil drawing and want to normalize it (remove the pressure effect ) :

• copy and paste in the text editor
• click Run_Script ( all grease pencil drawings will have the same thickness )

import bpy

new_pressure = 1.0  # you can change this for different thickness  (always <1 )

for Gpencil in bpy.data.grease_pencil :
for layer in Gpencil.layers:
for frame in layer.frames:
for stroke in frame.strokes:
for p in stroke.points:
p.pressure = new_pressure


example :

An alternative is to draw with pressure then manually normalize the stokes' width.

The feeling of pressure on strokes is created through increasing or decreasing its vertices size (as strokes are actually vectors/curves).

So, the same way you "Shrink/Fatten" curves' control points/vertices/nodes, you can do it with GP strokes.

1. In the 3D View Editor, open the Toolshelf T, then select the Grease Pencil Tab; push the Enable Editing button;
2. Under Edit Strokes, push the Select All button;
3. With the mouse cursor/pointer over the viewport, press Alt+S.
4. If you move your mouse it will scale the vertices. You can also press a numeric value. I suggest: press 0 (zero), then press Alt+S again and press some other numeric value (like 100) - this way all vertices will have the same size.