noun
spline surface
Technical term in computer graphics and geometric modeling for a smooth surface defined by spline functions.
この3Dモデルはスプライン曲面で構成されている。
This 3D model is composed of spline surfaces.
スプライン曲面 is a surface, while スプライン曲線 is a curve. Both are based on spline mathematics.
Compound of スプライン (from English 'spline') and 曲面 (curved surface).