Hi
you can set your skin on bed whith 
AppData\Roaming\.minecraft\resourcepacks\Black Hole [16x] v2.zip\assets\minecraft\textures\bed

block and some item for Xytrah 16x

bed skin made by kaoif

u can find update:  https://www.curseforge.com/minecraft/texture-packs/blackhole-16x

and find me in telegram t.me/The_pishii