There are high-quality honeycombs for large Elinchrom softboxes at reasonable prices - you just have to find them. These honeycombs meet professional requirements and are significantly superior to the simple honeycombs that are often offered.
A description of the Shen Hao HZX57-ii AT large format camera for the format 13x18 cm / 5x7 inch. Construction, properties and examples of pictures