This step will change a little from the rectangular method as we will use a short cut to get all our coordinates without picking up each vertices.

1. Open your mesh in Blender.

1a. Create a plane that will be your cutout, aligned with your mesh.

1b. Go in Object mode, select your plane mesh and go to File > Export >.obj

1c. Select **“Selection Only”** and untoggle every options as shown on the screenshot, then click **Export**.

1d. Open the .obj file with a text editor, remove the unecessary bit then replace all space with a comma (**,**). Those are the coordinates of your cutout, **clockwise**.

This doesnt explain the coordinates you have to input into 8 edges. Are these all the same then? We only got 2 coordinates. How do we know which goes into what?

Hi ! You actually have

fourcoordinates to keep in mind: right and left (X and -X), top and bottom (larger number Z and smaller number Z). Your window is symetrical on the X axis so the number for X is the same, except one is–X, and one is+X. Take the cutout of an EA rectangular window and just replace YOUR coordinate following THEIR order.Example: Take Edge 1. Original point A is -0.950195,2.8025,0. Format is XZY. X is negative, so this is your left X. Z is large number, so this is your top Z.

Original point B is -0.950195,0.0475,0. This time, Z is small number, so this is your bottom Z.

In short: everytime you see -0.950195, just replace by your left X coordinate.

everytime you see 0.950195, just replace by your right X coordinate.

everytime you see 2.8025, just replace by your top Z coordinate.

everytime you see 0.0475, just replace by your bottom Z coordinate.

Don’t try to understand or change the order. Just copy paste your new mesh coordinate into original cutout coordinate. 🙂

Thank you for this excellent tutorial! 🤗