![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC01047.jpg?resize=764%2C511&ssl=1\" "\\"Photo")
<\/p>\nfabrication of a first ptototype of a tetrahedral cell formed by branches of hornbeam<\/p>\n
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/01.jpg?resize=764%2C395&ssl=1\")
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3D scanned branches are assembled in a digital model.
\nThe complex mesh geometries are rebuilt into simplified forms smoothing out details such as bumps and small side branches.
\nvarying cross sections of connected parts are levelled resulting in a homogenous structure.<\/p>\n
![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/01-2.jpg?resize=764%2C395&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/4branches_lines.jpg?resize=764%2C667&ssl=1\")
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the edited geometries inscribed into the boundaries of the original are cut out with a 3-axis CNC milling machine.<\/p>\n
![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/part05_top_color-1.jpg?resize=764%2C395&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC_0341.jpg?resize=764%2C430&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC_0256.jpg?resize=764%2C430&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC_0262.jpg?resize=764%2C430&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/IMG_0749.jpg?resize=764%2C573&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/IMG_0691.jpg?resize=764%2C573&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/IMG_0685_crop.jpg?resize=764%2C573&ssl=1\")
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The parts are connected with half lap joints.<\/p>\n
![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC01074.png?resize=764%2C1141&ssl=1\" "\\"Photo")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/Screen-Shot-2018-11-22-at-07.33.11.jpg?resize=764%2C536&ssl=1\")
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![\"\"](\"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/DSC00985.png?resize=764%2C511&ssl=1\" "\\"Photo")
<\/p>\n","protected":false},"excerpt":{"rendered":"
fabrication of a first ptototype of a tetrahedral cell formed by branches of hornbeam<\/p>\n","protected":false},"author":3,"featured_media":583,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"tags":[],"jetpack-portfolio-type":[8],"jetpack-portfolio-tag":[21],"class_list":["post-554","jetpack-portfolio","type-jetpack-portfolio","status-publish","format-standard","has-post-thumbnail","hentry","jetpack-portfolio-type-branch-formations","jetpack-portfolio-tag-branch-formations"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":90,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-conceptual-model-building","url_meta":{"origin":554,"position":0},"title":"Branch Formations – conceptual model building","author":"Daniela Kr\u00f6hnert","date":"April 6, 2018","format":false,"excerpt":"to get a first \"feeling\" for the geometrical possibilities and complexity of building spatial structures out of tree branches we did the first physical test with bent brass-wires and connected them with shrinking tubes, which allows for an extraordinary flexibility of the whole system. Branches with varying angles can be\u2026","rel":"","context":"In \"branches\"","block_context":{"text":"branches","link":"https:\/\/conceptual-joining.com\/?tag=branches"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2018\/04\/conceptual_model_feature.jpg?fit=446%2C333&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":407,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-abstraction-principles-and-control-geometry","url_meta":{"origin":554,"position":1},"title":"Branch Formations – Abstraction Principles and Control Geometry","author":"Lukas Allner","date":"June 8, 2018","format":false,"excerpt":"A given set of forked branches is 3D scanned and the digitized data simplified into approximated axis models. Each branch can be represented by 4 points and 3 lines. The node-element represented in modules with three line segments is used as a \u2018Y\u2019 - typology. Eventually the axis models serve\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2018\/06\/feature.jpg?fit=446%2C333&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":427,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-repetitive-patterns","url_meta":{"origin":554,"position":2},"title":"Branch Formations – tetrahedron framework","author":"Lukas Allner","date":"June 13, 2018","format":false,"excerpt":"Aggregations of branch elements into repetitive spatial frameworks was\u00a0our starting point working with formations of branches. We learned that 2- and 3- dimensional cells can be formed using the branches as edges, which allows us to compose potentially endless spatial formations. The\u00a0tetrahedron\u00a0is the platonic solid with the least amount of\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2018\/06\/feature-1.jpg?fit=446%2C333&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":597,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-tetrahedral-aggregation-sample","url_meta":{"origin":554,"position":3},"title":"Branch Formations – tetrahedral aggregation sample","author":"Lukas Allner","date":"February 27, 2019","format":false,"excerpt":"studies of a vertical tetrahedral aggregation as a sample within a rectilinear bounding box The generic Y-shaped elements are replaced by specimens from a scanned set of branches in varying size and shape discontinuities in the model stemming from the irregular forms of parts are \"relaxed\" employing a constrained-based model\u2026","rel":"","context":"In \"aggregation\"","block_context":{"text":"aggregation","link":"https:\/\/conceptual-joining.com\/?tag=aggregation"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/02\/feature.jpg?fit=452%2C337&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":671,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-branch-scanning","url_meta":{"origin":554,"position":4},"title":"Branch Formations – Branch 3D-Scanning","author":"Daniela Kr\u00f6hnert","date":"March 6, 2019","format":false,"excerpt":"last week we harvested a new set of beechwood branches from the forests of Sandra Tuider in lower Austria. Daniela Kr\u00f6hnert (left) and Lukas Allner (right) Sandra Tuider, Lukas Allner and Christoph Kaltenbrunner (left to right) half of the harvest back at the University flush-cutting of the individual branch-arms in\u2026","rel":"","context":"In \"3D-scanning\"","block_context":{"text":"3D-scanning","link":"https:\/\/conceptual-joining.com\/?tag=3d-scanning"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/03\/feature_scanning.jpg?fit=446%2C333&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":937,"url":"https:\/\/conceptual-joining.com\/?portfolio=branch-formations-robotic-prototype","url_meta":{"origin":554,"position":5},"title":"Branch Formations: robotic prototype","author":"Lukas Allner","date":"July 26, 2019","format":false,"excerpt":"Robotic production of a tetrahedral space frame composed of naturally grown branches of beech. https:\/\/youtu.be\/247zahvv_hk","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/conceptual-joining.com\/wp-content\/uploads\/2019\/07\/feature.jpg?fit=446%2C333&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/jetpack-portfolio\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/jetpack-portfolio"}],"about":[{"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/types\/jetpack-portfolio"}],"author":[{"embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=554"}],"version-history":[{"count":9,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/jetpack-portfolio\/554\/revisions"}],"predecessor-version":[{"id":595,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/jetpack-portfolio\/554\/revisions\/595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=\/wp\/v2\/media\/583"}],"wp:attachment":[{"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=554"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=554"},{"taxonomy":"jetpack-portfolio-type","embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=%2Fwp%2Fv2%2Fjetpack-portfolio-type&post=554"},{"taxonomy":"jetpack-portfolio-tag","embeddable":true,"href":"https:\/\/conceptual-joining.com\/index.php?rest_route=%2Fwp%2Fv2%2Fjetpack-portfolio-tag&post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}