I wanna draw with Grease pencil, but when I turn on the Radius Pressure, the lines disappear immediately.

and if I turn on the Strength Pressure, it draws nothing.

Not only the Wacom pen but also Mouse does too.

But in a new project file, it works correctly.

(I have already tried to Append the objects to new project, then it has the same issue.)

I set Tablet API - Wintab.

Blender version is 2.83

Anybody know about this issue?

Thank you in advance for your help.


1 Answer 1


You have pressure disabled for Strength pressure (the pen icon), and a very small radius for the line stroke.

Use larger values.

enter image description here

  • $\begingroup$ Thank you for your answer! :) I have tried, but it has still same problem. but I found out, when I turn on the Stroke-Rendomize-Pressure and Radius Pressure, it draws thin. (not anymore disappeard) $\endgroup$
    – HNB
    Commented Jul 5, 2020 at 18:28

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