Wish they had more accessories like umbrella holder and side cup / bottle holder for larger items for parents. (chiccousa.com)
You can also store bolts of fabric, butcher paper and other large items in a storage unit to free up space. (lifestorage.com)
Scale models of larger items like houses or cars for sale - not unlike those made by designers with 3D printers today - could also be printed. (newscientist.com)