Speak with the locals in the Roseway. Among them is Orson - he will give you Vulcan's Hammer side quest. This page of the guide The Outer Worlds includes a walkthrough of this side quest.
- Retrieve Orson's blueprints;
- Go back to Orson.
If you decide to help, you will have to go to Aunt Cleo's magazine. You have to be careful - the area is patrolled by marauders. Eliminate them and go inside. You will encounter more marauders. Kill them - the shelves and boxes will serve you as covers.
At some point, you will also face combat robots. The blueprint is in the same room. Destroy the machines and take the quest item.
You can give it to Orson in the Roseway or to Gladys on Groundbreaker.
Spoiler: The scientist can leave a message for you on the ship after you decide to either give back or sell the blueprint to Orson. He will recommend you to return to Roseway. If you fulfill his request, then you will get a prototype weapon - Ulti-Nature.