A data format providing side wall orientation and adaptive slicing for use in stepless rapid prototyping

Date
1997
Authors
Fang, Wei
Siang Ngooi, Chan
Gong, Haiqing
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Abstract

Current Rapid Prototyping systems mainly use 2D layers building techniques that result in the 'staircase' effect on slanted surface. A new method has been developed to eliminate the 'staircase' effect and to improve the surface quality by extending the 2D layers to 3D layers building. In this approach, a new data format, Layer Transfer Interface (LTI), is introduced to generate layers having slanted side wall. It provides a faster slicing algorithm and accurate reconstruction of 3D objects. This format is independent of any particular RP machines. Furthermore, adaptive slicing has been achieved using this format and implemented on a fiveaxis milling RP system.

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