Weaving with rectangular shapes

Hi guys,

I’m currently modeling a chair which is supposed to have a webbing like the picture below.

each webbing strap is 50mm wide, the gap between them is 15mm. I came up with a solution by modellig single rectangles and rotating every second one by 90° which is alright but its only 2D. + the frame (30mm) is not taken into account.

what I need is basicly a pattern based on the giving measurements. the dimensions of the seat should result drom the number of straps used in x/y direction.

Thank you very much in advance!

Cheers
Matthias

For brevity in this definition the number of belts is equal in X and Y.
In practice the straps are drawn and intertwined.
sedile.gh (68.7 KB)