Using the blender file is the easiest way to get the models working as intended as all you need to do is open the file, change the image and render. To do that:
- Open file
- Click on "Deskmat - Mat" in the Collection tree
- Select "Material"
- Select the "Deskmat - Mat" material
- Open "Shader Editor"
- Change the image in the
Deskmat Graphic
node - Update render settings to your preferred output
- Render
- Bask in your own glory and post online for cool points 😎