From which carpentry skill do you get which elements to build?

[Jamie]

I wanted to ask when these square beams/pillars and when the half-timbered house can be build. How high does the carpentry skill have to be?
And how high, floors, can you actually build?

[TheSyndicate]

Charpentry Skill 17 is suffice to build all.
https://paxdei.gaming.tools/buildingpieces

Wheres Wodden & Rocks is base materials.
Wodden - Heartwood.
Rocks - Rocks.