A simple, utility block/entity, I applied a string-like pattern to it and swirled the top & bottom parts.
Lead knot
Minecraft vanilla-style texture pack with POM & LabPBR compliant PBR. Check my Patreon at https://www.patreon.com/hardtopnet/ — YouTube teaser at https://www.youtube.com/watch?v=p5fh9JhTIF4
HardTop Vanillaccurate 