As a registered user, you can access the basic Unit Design Tool features:
The following additional features are available to subscribers:
We encourage you to begin a FREE 30-day trial subscription. You will be invited to fully subscribe when your Trial Subscription is about to expire. A one-year renewable subscription will ensure Blueprints and Rubrics created and saved during the trial period, beyond the three limited by free registration, remain in your account for immediate access.

Your 30-day free trial has been activated.
To begin taking advantage of subscriber-level features, log out and then log in again.