This article discusses how to add a custom material while in the My Materials page.
The video below is an overview of the features within this page. Continue reading below for a written walkthrough.
Head to the My Materials tab. Click on Custom on the left-hand side. Next, click the "+" icon on the top right of the page.
After you click on the "+", a modal will appear. Here, you can enter the name for your custom material. You can drop or upload the file, or enter a URL link. Click "Create".
You will now see the custom material in the My Custom Materials tab within the My Materials page.