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IceSL: A GPU Accelerated CSG Modeler and Slicer

Sylvain Lefebvre 1 
1 ALICE - Geometry and Lighting
Inria Nancy - Grand Est, LORIA - ALGO - Department of Algorithms, Computation, Image and Geometry
Abstract : We propose to exploit recent advances in GPU and Computer Graphics to accelerate the slicing process of objects modelled via a CSG language. Our target are open source low cost FDM printers such as RepRaps. Our approach first inputs a CSG description of a scene which can be composed of both meshes and analytic primitives. During display and slicing the CSG model is converted on-the-fly into an intermediate rep- resentation enabling fast processing on the GPU. Slices can be quickly extracted, and the tool path is prepared through image erosion. The in- teractive preview of the final geometry uses the exact same code path as the slicer, providing an immediate, accurate visual feedback. We propose a complete implementation of our technique, available for download. We discuss several advantages of our approach such as modeling with multiple materials, analytic primitives and slice shaders.
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Submitted on : Friday, January 10, 2014 - 1:53:36 PM
Last modification on : Wednesday, February 2, 2022 - 4:45:19 PM


  • HAL Id : hal-00926861, version 1



Sylvain Lefebvre. IceSL: A GPU Accelerated CSG Modeler and Slicer. AEFA'13, 18th European Forum on Additive Manufacturing, Jun 2013, Paris, France. ⟨hal-00926861⟩



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