Washing apparatus and methods used to process additively fabricated parts

A method comprising:

• directing a volume of a liquid photopolymer into a container, wherein the container is removably attached to a rotating device that is configured to rotate the container around a first axis, and the container includes one or more inlets and one or more outlets;
• and
• forming a three-dimensional object within the liquid photopolymer within the container through a tomographic lithography process, the tomographic lithography process including:
• controlling an optics engine to project a sequence of optical patterns of a first wavelength onto the container while rotating the container on the rotating device, thereby causing the sequence of optical patterns to irradiate the liquid photopolymer from different angles and curing a portion of the liquid photopolymer to form the three-dimensional object;
• and
• in response to forming the three-dimensional object in the liquid photopolymer, opening the one or more outlets to drain uncured liquid photopolymer from the container while the three-dimensional object remains inside the container and the container remains attached to the rotating device.