Simplification of Shapes for Fabrication with V-Groove Milling Tools

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dc.contributor.authorMuntoni, A.en_US
dc.contributor.authorScalas, A.en_US
dc.contributor.authorNuvoli, S.en_US
dc.contributor.authorScateni, R.en_US
dc.contributor.editorLivesu, Marco and Pintore, Gianni and Signoroni, Albertoen_US
dc.date.accessioned2018-10-18T05:51:11Z
dc.date.available2018-10-18T05:51:11Z
dc.date.issued2018
dc.description.abstractWe introduce here a pipeline for simplifying digital 3D shapes with the aim of fabricating them using 2D polygonal flat parts. Our method generates shapes that, once unfolded, can be fabricated with CNC milling machines using special tools called V-Grooves. These tools make V-shaped furrows at given angles depending on the shape of the used tool. Milling the edges of each flat facet simplifies the manual assembly that consists only in folding the facets at the desired angle between the adjacent facets. Our method generates simplified shapes where every dihedral angle between adjacent facets belongs to a restricted set, thus making the assembly process quicker and more straightforward. Firstly, our method automatically computes a simplification of the model, iterating local changes on a triangle mesh generated by applying the Marching Cubes algorithm on the original mesh. The user performs a second manual simplification using a tool that removes spurious facets. Finally, we use a simple unfolding algorithm which flattens the polygonal facets onto the 2D plane, so that a CNC milling machine can fabricate it with a sheet of rigid material.en_US
dc.description.sectionheadersManufacturing Objects
dc.description.seriesinformationSmart Tools and Apps for Graphics - Eurographics Italian Chapter Conference
dc.identifier.doi10.2312/stag.20181293
dc.identifier.isbn978-3-03868-075-8
dc.identifier.issn2617-4855
dc.identifier.pages1-12
dc.identifier.urihttps://doi.org/10.2312/stag.20181293
dc.identifier.urihttps://diglib.eg.org:443/handle/10.2312/stag20181293
dc.publisherThe Eurographics Associationen_US
dc.subjectComputing methodologies
dc.subjectMesh models
dc.subjectShape analysis
dc.subjectShape modeling
dc.titleSimplification of Shapes for Fabrication with V-Groove Milling Toolsen_US
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Italian Chapter Conference 2018 - Smart Tools and Apps in computer Graphics