I was very successful trying some canvas. In Europe we have different yarns and I tried to di my own combinations. The first is allways Cottolin 22/2. I developped a nice quality of cotton and wool bouclé. But now I would not say I got stuck but I would like to discuss it here. We also habe a different terminology. One group are the laces that produce holes the other is only floats that give the "corn grain". My next step was to go on with the whole producing drafts. I did a sample in 33/2 Cottolin (Nm 20/2, 10.000 m / kg). I did not use this yaern very much before. Anyway. I tried stripes of tabby and tripel huck, both the same set. The huck area is very loose. So I changed to double huck and a looser set. Better but still not a good combination for towels. If I do different sets in the huck and the tabby area I cannot combine it with only tabby to get square pattern. The other idea is to use more shafts for the tabby area and try to combine it with some other draft like basket weave or twill to make the areas in between the huck more smooth. Curious to hear about your suggestions.
I've never used 33/2 Cottolin but with 10,000 m/kg. it would be considerably finer than the 22/2 cottolin that we have access to in North America - 6,390 m/kg. I would think that your sett should be tighter to get stability in your fabric. Have you watched the episode on Huck in the School of Weaving - Season 5 Episode 3? The sample that is part of that episode might be one that could help you if you wove it in Cottolin. Also, you might get an idea about different setts with the 22/2 cottolin in Jane's Master Sett Chart - however, you would need to convert it to metric depending on your reed. https://janestaffordtextiles.com/wp-content/uploads/2016/04/Master-Sett-Chart-2019.pdf