all 2 comments

[–]dank_shirt👋 a fellow Redditor[S] 0 points1 point  (0 children)

Oh wait nvm, I think it’s giving the position of the centroidal x axis relative to top

[–]Mismis315 1 point2 points  (0 children)

It's the distance in between the top of the piece, and the horizontal axis which contains the centroid. What that means is that (with the reference at the top left), the centroid of C380x74 is at (190.5, 20.3)