Fig. 6From: Low cost additive manufacturing of microneedle mastersMicroneedles of varying aspect ratios and spacings. a-c Microneedles measuring approximatley 1000 μm in height with widths of approximately a) 450 μm, b) 350 μm and c) 250 μm. d-f Microneedles measuring approximately 1000 μm in height and 450 μm in width with interneedle spacing of d) 600 μm, e) 400 μm and f)200 μm, respectively, as measured from edge to edgeBack to article page