How to delete a material
To add a material, follow the instructions and/or watch the videos below.
Click Materials in the left menu
Find the material you want to delete
Click on the ellipsis
Choose Delete
Choose Delete again on the warning pop-up menu
To delete multiple materials at the same time,
Click Materials in the left menu
Choose multiple materials by clicking the check boxes for those materials on the far left
Choose Delete from the top menu
Choose Delete again on the warning pop-up menu