Workflow 1 & 2

WORKFLOW 1: Rectangular Structure
Surface
Detach at Isoparm
Change UV Count
Dulicate Isoparms
Rebuild center strip
Duplicate Isoparms
Make Circles
Extrude Tubes
Modify Circles

WORKFLOW 2: Diagonal Structure
Rotate
Duplicate Curves
Trim Curves
Extrude

General Skin
Cylinder - R:10, Ratio:0.4 -
Split it, then duplicate it 23 times.
Lattice (2,2,14)
Take it through Workflow#1

Tube Structure:
Rotated Plane
Freeze Transformations
bend deformer
delete history
add it to lattice
offset surface to make second one
Take it to Workflow#2 for one
Mel Script for multiple extrude