Note: the following steps show you how to permanently delete your account. Once your account is deleted, your designs cannot be recovered.
Delete your account
Sign in to your account. From the Home page (or any other page that displays your account settings), click the "Account" icon on the top right corner (the circle with your initials in the top righthand corner of window).
Click "My Account" to open your account settings.
On the Profile tab of your Account page, click Delete Account under "Account type".
Delete all data associated with your account