This is a honeycomb holder for a glue bottle.
It is designed for this glue botte (diameter: 38mm), other glue bottles could also work:
https://www.amazon.de/gp/product/B0BYJGH8SG/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&psc=1
Print Option:
PLA
20% Infill
If you have any questions, feel free to ask.