In Pathfinder 2e we have the Feat called Craft Anything. Which states, in part, that
As long as you have the appropriate Crafting skill feat (such as Magical Crafting for magic items) and meet the item’s level and proficiency requirement, you ignore just about any other requirement, such as being of a specific ancestry or providing spells. The only exceptions are requirements that add to the item’s cost, castings of spells that themselves have a cost, and requirements of special items such as the philosopher’s stone that have exclusive means of access and Crafting. The GM decides whether you can ignore a requirement.
The description of the Crafting Skill under the subheading Crafting Trained Actions states, in part, that
To Craft an item, you must meet the following requirements:
- You have the formula for the item
Craft Anything is a legendary feat, but does it override the need for a formula? Is the formula a
requirement[s] that add to the item’s cost