{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,9,7]],"date-time":"2024-09-07T17:21:23Z","timestamp":1725729683751},"reference-count":25,"publisher":"Association for Computing Machinery (ACM)","issue":"4","funder":[{"DOI":"10.13039\/100000145","name":"Division of Information and Intelligent Systems","doi-asserted-by":"publisher","award":["IIS-1116619"],"id":[{"id":"10.13039\/100000145","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Graph."],"published-print":{"date-parts":[[2012,8,5]]},"abstract":"Articulated deformable characters are widespread in computer animation. Unfortunately, we lack methods for their automatic fabrication using modern additive manufacturing (AM) technologies. We propose a method that takes a skinned mesh as input, then estimates a fabricatable single-material model that approximates the 3D kinematics of the corresponding virtual articulated character in a piecewise linear manner. We first extract a set of potential joint locations. From this set, together with optional, user-specified range constraints, we then estimate mechanical friction joints that satisfy inter-joint non-penetration and other fabrication constraints. To avoid brittle joint designs, we place joint centers on an approximate medial axis representation of the input geometry, and maximize each joint's minimal cross-sectional area. We provide several demonstrations, manufactured as single, assembled pieces using 3D printers.<\/jats:p>","DOI":"10.1145\/2185520.2185543","type":"journal-article","created":{"date-parts":[[2012,8,6]],"date-time":"2012-08-06T18:11:37Z","timestamp":1344276697000},"page":"1-9","update-policy":"http:\/\/dx.doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":102,"title":["Fabricating articulated characters from skinned meshes"],"prefix":"10.1145","volume":"31","author":[{"given":"Moritz","family":"B\u00e4cher","sequence":"first","affiliation":[{"name":"Harvard University"}]},{"given":"Bernd","family":"Bickel","sequence":"additional","affiliation":[{"name":"TU Berlin"}]},{"given":"Doug L.","family":"James","sequence":"additional","affiliation":[{"name":"Cornell University"}]},{"given":"Hanspeter","family":"Pfister","sequence":"additional","affiliation":[{"name":"Harvard University"}]}],"member":"320","published-online":{"date-parts":[[2012,7]]},"reference":[{"key":"e_1_2_2_1_1","unstructured":"Abbat J.-P. 1993. Articulated doll joint. U. S. Patent 5257873. Abbat J.-P. 1993. Articulated doll joint. U. S. Patent 5257873."},{"key":"e_1_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/1276377.1276467"},{"key":"e_1_2_2_3_1","unstructured":"Beer F. Johnston E. R. DeWolf J. T. and Mazurek D. F. 2011. Mechanics of Materials 6 ed. McGraw-Hill. Beer F. Johnston E. R. DeWolf J. T. and Mazurek D. F. 2011. Mechanics of Materials 6 ed. McGraw-Hill."},{"key":"e_1_2_2_4_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778800"},{"key":"e_1_2_2_5_1","volume-title":"Models for the Perception of Speech and Visual Form","author":"Blum H.","unstructured":"Blum , H. 1967. A Transformation for Extracting New Descriptors of Shape . In Models for the Perception of Speech and Visual Form , W. Wathen-Dunn, Ed. MIT Press, Cambridge , 362--380. Blum, H. 1967. A Transformation for Extracting New Descriptors of Shape. In Models for the Perception of Speech and Visual Form, W. Wathen-Dunn, Ed. MIT Press, Cambridge, 362--380."},{"key":"e_1_2_2_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778799"},{"key":"e_1_2_2_7_1","unstructured":"Ferre R. 2000. Form of articulated structures for dolls or puppet bodies. U. S. Patent 6033284. Ferre R. 2000. Form of articulated structures for dolls or puppet bodies. U. S. Patent 6033284."},{"key":"e_1_2_2_8_1","doi-asserted-by":"crossref","unstructured":"Gibson I. Rosen D. W. and Stucker B. 2010. Additive Manufacturing Tehnologies. Springer. Gibson I. Rosen D. W. and Stucker B. 2010. Additive Manufacturing Tehnologies . Springer.","DOI":"10.1007\/978-1-4419-1120-9"},{"key":"e_1_2_2_9_1","unstructured":"Grey M. J. 1999. Construction system. U. S. Patent 5897417. Grey M. J. 1999. Construction system. U. S. Patent 5897417."},{"key":"e_1_2_2_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778798"},{"key":"e_1_2_2_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/1360612.1360626"},{"key":"e_1_2_2_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/1073204.1073206"},{"key":"e_1_2_2_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/1409625.1409627"},{"key":"e_1_2_2_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/545261.545286"},{"key":"e_1_2_2_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2010324.1964980"},{"key":"e_1_2_2_16_1","doi-asserted-by":"publisher","DOI":"10.1145\/344779.344862"},{"key":"e_1_2_2_17_1","doi-asserted-by":"publisher","DOI":"10.1145\/1618452.1618474"},{"key":"e_1_2_2_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/1778765.1778838"},{"key":"e_1_2_2_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/882262.882308"},{"key":"e_1_2_2_20_1","doi-asserted-by":"publisher","DOI":"10.1145\/1073204.1073226"},{"key":"e_1_2_2_21_1","doi-asserted-by":"publisher","DOI":"10.1145\/566654.566580"},{"key":"e_1_2_2_22_1","unstructured":"Wai F. C. A. 2006. Frictional joint for toys. U. S. Patent 7566256. Wai F. C. A. 2006. Frictional joint for toys. U. S. 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