T Splines alternative

Hello, 

I have been slowly working away at a building model and have it looking close to what I want. I have accomplished this using the T splines plugin for rhino, as seen in the first image. 

My question however, does anyone know how these results may be duplicated using grasshopper? I believe weaverbird would be the right direction for this sort of project. but I am unsure of how I might go about accomplishing this.

I ask this because T splines seems to take up a very large amount of memory and is very inefficient.

I also have an image of the grasshopper script that I used before moving to T splines. 

Any help is greatly appreciated.