ContributionDay represents a single day of GitHub contributions.

ContributionsResponse represents the contribution data returned by the GitHub API.

Point3D represents a point in 3D space using float64 for accuracy in calculations.

Point3DFloat32 represents a point in 3D space using float32 for STL output.

Triangle represents a triangle in 3D space using float64 coordinates.

TriangleFloat32 represents a triangle with float32 coordinates for STL output.