I am trying to get the CurveSize1 of 2 beams based on the X position difference from their attachments. Here’s a visual of my goal (let r be the difference in position from attachment a,b from attachment c, and let n be the CurveSize1 of both beams):

Hello, so CurveSize1’s use Bézier curves, and the roblox documentation states they use specifically cubic Bézier curves.

This means you could likely look up some formulas for this stuff, I am not sure if I am allowed to link external sites such as youtube though, otherwise I would go looking for a solid tutorial.

Hopefully this helps!

P.S. it looks like the CurveSize1 is a control point that is defined by its distance from the attachment in the negative X direction of that attachment. So it sounds like it might be a position value, still looking at the documentation though. This problem seems like it has heavy math potential.