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Blender 2.8.x / 2.9.x
Get it here: https://builder.blender.org/download
Solidify (to make hollow inside)
Extract faces on curved ‘window pane’
Solidify to make cutter.
Difference Boolean to cut window opening.
Hops > Honeycomb grid object
Rotate X 90deg
Add Array X, increase amount
Fine tune constant offset X value
Add Array Y, increase amount
Fine tune constant offset Y value
Add Curve modifier. Select this Curve:
Separate a copied edge loop of curved ‘window pane’
HOps Curve extract
Check direction and origin match with honeycomb panel
To make honeycomb panel fit the window pane:
Duplicate honeycomb panel and vis geo to mesh.
Place over window opening.
Apply intersect boolean to honeycomb panel using window ‘cutter’