For info there is better than Soap Skin Bubble for sketchup ;)
Try the free Ferrari Tensile structure (always for Sketchup)
http://www.sketchando.net/descargas/plugins/FerrariSketch1.1v2015.rar


What is bad in your Gyroid method with Nside ?

Seems perfect!
https://moiscript.weebly.com/uploads/3/9/3/8/3938813/gyroid.3dm