After inputting your insert into the designer and selecting your custom vector, download the final construct sequence from the Twist website. 

Details below:

While ordering:

“Download sequences” button on drafts page will give you insert, vector, and final construct sequence details for your whole order.

“Download construct (GenBank)” button on gene editor page will give you an annotated GenBank file with the final construct sequence.

After order is placed:

Go to “Orders & Drafts” from the home page, and then click “open orders."  Find the order of interest and the order information will be displayed.   You can click the “original submitted sequences” button which will download a file with your final sequences.