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                    | 272 | 272 | **Level**: advanced(%%)  **Type**: user documentation | 
              
                    | 273 | 273 |  | 
              
                    | 274 | 274 | Import3D tool can be used to translate common varieties of cellular morphometric data into a CellBuilder that specifies the anatomical properties of a model neuron. This Tutorial will guide you through bringing up an Import3d tool, then specifying  a file to be read and finally export the data as a NEURON model. | 
              
                    |  | 275 | +=== [[Reaction-Diffusion – Varying initial concentrations and parameters>>https://neuron.yale.edu/neuron/docs/reaction-diffusion-varying-initial-concentrations-and-parameters||rel=" noopener noreferrer" target="_blank"]] === | 
              
                    | 275 | 275 |  | 
              
                    |  | 277 | +**Level**: advanced(%%)  **Type**: interactive tutorial | 
              
                    |  | 278 | + | 
              
                    |  | 279 | +This tutorial will show you how to manipulate the rxd.Species attribute to see how the choice of initial conditions affects the dynamics. | 
              
                    |  | 280 | + |