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http://dx.doi.org/10.15701/kcgs.2016.22.5.17

Adaptive Slicing by Merging Vertical Layer Polylines for Reducing 3D Printing Time  

Park, Jiyoung (Korea Electronics Technology Institute)
Kang, Joohyung (Korea Electronics Technology Institute)
Lee, Hye-In (Korea Electronics Technology Institute)
Shin, Hwa Seon (Korea Electronics Technology Institute)
Abstract
This paper presents an adaptive slicing method based on merging vertical layer polylines. Firstly, we slice the input 3D polygon model uniformly with the minimum printable thickness, which results in bounding polylines of the cross section at each layer. Next, we group a set of layer polylines according to vertical connectivity. We then remove polylines in overdense area of each group. The number of layers to merge is determined by the layer thickness computed using the cusp height of the layer. A set of layer polylines are merged into a single polyline by removing the polylines within the layer thickness. The proposed method maintains the shape features as well as reduces the printing time. For evaluation, we sliced ten 3D polygon models using our method and a global adaptive slicing method and measured the total length of polylines which determines the printing time. The result showed that the total length from our method was shorter than the other method for all ten models, which meant that our method achieved less printing time.
Keywords
3D printing; adaptive slicing; layer merging;
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