2D lattice inside a coordinated plane?
141131
Numerical difference grid
92554
How many lattice paths are there from $(0,0)$ to $(2n,2n)$ that avoids odd points
59203
isomorphic planar graph with its complement
126192
Connected, locally connected, path-connected but not locally path-connected subspace of the plane
8796
Grid - sizing and spacing problems with spanning cells
92907
UV coordinates on a deformed plane
8571
Translations in two dimensions - Group theory
136849
Mathematical rigorous introduction to solid state physics
108366
How to create an infinite plane in cycles?
73832
How to find the maximum diagonal length inside a dodecahedron?
120196
An angle inside a regular pentagon
22540
Bisecting line segments in a tetrahedron.
117020
Regular $n$-gon in the plane with vertices on integers?
9438
Plotting in the Complex Plane
119620
How can I ensure a grid can be filled with Tetris-like pieces?
34523
May I treat a 2D array as a contiguous 1D array?
59993
How to create the matrix attached that has 2x2 blocks in its diagonal and a square outlining them?