You can often import the .splinecode or .spline file directly into the Spline App to see how the "splines," materials, and interactions were built.
Many creators on platforms like Behance or Dribbble post their Spline projects; searching for "Jayce Spline 3D" on those sites might lead you to the original project page or tutorial. s p l i n e VR.JAYCE.zip
Likely the username or handle of the designer who authored the asset. Resources and Guides You can often import the