Make edges between grid cells orthogonal

[meanderix]

trafficstars

grid-rows: 3
grid-columns: 3
grid-gap: 20
1
2
3
4
5
6
7
8
9
1 -> 3 -> 9 -> 7 -> 1
1 -> 9
3 -> 7

Looks like the edges internal to a grid structure do not respect orthogonality rules.