Here's a link to the paper [0]. It contains photos of printed objects shaped like letters, honeycombs, gears and other things. Maybe they should have included

Here's a link to the paper [0]. It contains photos of printed objects shaped like letters, honeycombs, gears and other things. Maybe they should have included some of images in the reporting. [0] "Direct Sound Printing", https://www.nature.com/articles/s41467-022-29395-1 https://www.nature.com/articles/s41467-022-29395-1 (Open Access)