New posts in 3D

Is the rhombic dodecahedron the only isohedral polyhedron that tiles 3-space (other than the cube)?

How to calculate interpolating splines in 3D space?

How to find the distance between two planes?

Determine if projection of 3D point onto plane is within a triangle

How to find an all-in-one 2D to 3D Transformation Matrix for perspective projection, rotation, and translation?

3-D generalization of the Gaussian point spread function

What is the equation for a 3D line?

Composition of two axis-angle rotations

What's the best 3D angular co-ordinate system for working with smartphone apps

Rotating one 3d-vector to another