There is no "wrench" icon on a text box. I have a somewhat complicated logo box and wish to replicate it on other dashboards, what am I missing?
Yep! On the dashboard with the text box, select a card (open it in details view) before or after the text box. Then, toggle over to the card using the arrows as shown in the image below:
From there you will be able to save-as the text box (Notebook card).
Perfect! God only knows how you figured that one out