Conduit is a plugin for Grasshopper that allows users to create parametric heads up displays (HUDs) within the Rhino viewport that are tied to model data.
In Part 3 of this tutorial, I provide a step-by-step introduction for creating a basic chart driven by a list of numerical data in Grasshopper
Get Conduit here: http://provingground.io/tools/conduit-for-grasshopper/
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