Would it be possible to create a triangular application?

[josephh]

Hi @nanto2016,

To make an undecorated window with a custom shape, you can see this previous post I did:

Possible to change top bars layout? (window frame color)

Hi @Aryszin, In Windows, the title bar can be customized using the Windows API in C#: Title bar customization - Windows apps | Microsoft Learn You can access the java.awt.Frame instance like this and modify it’s shape for example (you can make it transparent here) : import processing.awt.PSurfaceAWT; import java.awt.Frame; import java.awt.geom.Ellipse2D; void setup() { size(500, 500); PSurfaceAWT.SmoothCanvas canvas = (PSurfaceAWT.SmoothCanvas)(surface.getNative()); Frame frame = ca…