A type of vat photopolymerization additive manufacturing where a projector under a transparent build plate shines ultraviolet light in the pattern to be solidified for that layer, onto the build layer, which is against the transparent build plate. The part is then pulled upward and a deposition assembly travels across the transparent build plate and deposits a thin film of photopolymer. The part is then lowered until it is touching the newly deposited thin layer and the projector’s lite selectively solidifies the new layer.

Although considered vat photopolymerization, there is no vat or pool of liquid material. The material is actually a liquid film that is deposited onto the build plate one layer at a time.

Abbreviated as FTI.



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