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Keywords:

  • biomedical applications;
  • drawing lithography;
  • drug delivery;
  • microneedles
Thumbnail image of graphical abstract

Drawing lithography is a novel fabrication technique in which a thermosetting polymer is directly drawn from a two-dimensional solid surface without the need for a mask and light irradiation (see figure). Drawing lithography differs from traditional lithography techniques, such as photolithography, in that it is based on the inherently planar geometries of a two-dimensional substrate in a three-dimensional microstructure.