One of the 3D printing research trend series: 3D slicing and 2D path planning
Series 1 focuses on advanced design methods for additive manufacturing , including 3D slicing and 2D path planning. Additive manufacturing requires the input of a CAD model of the workpiece, which can be obtained by scanning or by a CAD system. When the model is generated, it is converted to the generic standard STL format as follows:
Case: STL model and slice results of the Great Wall
The above case is a single-direction slice, and subsequent studies will be performed for multi-directional slices. The case is as follows:
2D path planning mainly involves raster, zigzag, spiral, contour, and mixed paths, as follows:
The form of the 2D path can be further divided into a continuous path, a mixed continuous path, a central axis conversion path, and an adaptive central axis conversion path. The case is as follows:
Because of its strong stability and simplicity, single-direction slicing is currently used more, but multi-directional slicing can enhance the ability of 3D printing and reduce the number of supports. With the emergence of multi-directional slicing algorithms and the development of technology, many directions in the future Slices will gradually become a trend.
Conventional 3D printing software can generate zigzag and contour paths, but it is still difficult to implement for special shape workpieces. The central axis conversion path and the adaptive axis conversion path are going to be the trend of future 3D printing path research.
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