Read freehand paintings in DeltaViewer, and you can enjoy digital pottery!
Make images like these using some painting software, and read them into DeltaViewer. Use Scale Images menu and adjust depth scale to around Z-Scale=8. Shift-click on the green part, Option-click on the white part, and set Mesh Size=5. If you want to correct the dent around the letters "DeltaViewer", also Shift-click on the violet letters. Now, choosing 3D Reconstruction gives you this: