The code associated with the paper:

Hjorth JJJ, Kozlov A, Carannante I, Frost Nylén J, Lindroos R, Johansson Y, Tokarska A, Dorst MC, Suryanarayana SM, Silberberg G, Hellgren Kotaleski J, Grillner S (2020) The microcircuits of striatum in silico. Proc Natl Acad Sci U S A 117:9554-9565
doi: 10.1073/pnas.2000671117.

which creates networks is here at the authors github:

The above includes a demonstration example of a small (100 neurons) net:

Individual cells are available at this repository: