There’s some designs here I don’t think made it on screen, including a Updated version of that three pronged TOS engineering tool
https://www.thetrekcollective.com/2020/05/a-closer-look-at-discoverys-prop-design.html?m=1
https://www.thetrekcollective.com/2020/05/a-closer-look-at-discoverys-prop-design.html?m=1