ref: 612fcd2a36544c584e9933ccdcc04407edaa3485
parent: 9c1b473ae274c097e81c1dff285e089edafddc5c
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Sun Dec 31 11:50:08 EST 2023
sky: make it work with whichever sizes; replace absent sky with notexture