Grasshopper Structural Frames

Hi, I would like to know how can I achieve something like this structural frame in grasshopper/rhino. I attempted to model a similar form in rhino and extract isocurves but the result is not the same. Can someone give me some guidance on how to script this? Thanks!!

test 1.3dm (794.9 KB) Screen Shot 2020-05-11 at 10.49.49|463x500

![01_CITE_VIN_STRUCTURE©XTU|690x287, 50%](upload://mY49gWUWna4Z7HxKGt2NwwmH2Wc.j