The model associated with the paper:

Schmidt-Hieber C, Toleikyte G, Aitchison L, Roth A, Clark BA, Branco T, Häusser M (2017) Active dendritic integration as a mechanism for robust and precise grid cell firing. Nat Neurosci 20:1114-1121

is available at the authors github repository:

https://github.com/neurodroid/SH2017