(Before that, the batter was steamed in «pudding bags» that made the same tubular shape for the bread.) (tastingtable.com)
The shape of the paper bead depends on upon the form of the paper bead template.Make tubular shaped paper beads from rectangular pieces of paper. (thespruce.com)
Glass wine goblets are especially resonant because of their hollow tubular shape, which is why they make a pleasant ringing sound when clinked. (scientificamerican.com)