This page shows several examples of 3D printed objects, printed with different printing techniques, and ultrasonically cleaned. For background information, see this page.
SLS prints (nylon powder) [EOS]
Photopolymer [Objet]
Removal of the final layer of support material (shiny area, left).
SEM photo of a layer of support material on a 3D printed block.
Plaster prints [ZCorp]
Side view, before and after cleaning
Bottom view