{"id":151,"date":"2008-12-05T10:00:53","date_gmt":"2008-12-05T10:00:53","guid":{"rendered":"https:\/\/www.shapeways.com\/blog\/archives\/151-shapeways-member-interviews-george-hart.html"},"modified":"2014-07-03T16:44:36","modified_gmt":"2014-07-03T16:44:36","slug":"shapeways-member-interviews-george-hart","status":"publish","type":"post","link":"https:\/\/www.shapeways.com\/blog\/shapeways-member-interviews-george-hart","title":{"rendered":"Shapeways member interviews: George Hart"},"content":{"rendered":"<p>Professor <a href=\"http:\/\/www.georgehart.com\/\">George Hart<\/a> is a rapid<br \/>\nprototyping pioneer. Back when Shapeways was years<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/office1.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:330 --><img loading=\"lazy\" decoding=\"async\" height=\"83\" width=\"110\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/office1-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a><br \/>\naway from being an idea and the technology was in its infancy and only used by<br \/>\nUniversities and big corporates for R&amp;D he was already making<br \/>\n<a href=\"\/blog\/uploads\/office.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:330 --><\/a>art on 3D printers.<br \/>\nIn addition to being a sculptor he is a Mathematician, a<br \/>\nComputer Science Professor at <a href=\"http:\/\/www.sunysb.edu\/\">Stony Brook University<\/a> and has<br \/>\npublished academically on topics ranging from education,<br \/>\npuzzles, cryptography, linear algebra to engineering. Be sure to stop<br \/>\n<a href=\"http:\/\/www.georgehart.com\/rp\/rp.html\">by his site<\/a>.<br \/>\nBut, as you might be able to determine from the picture of his office,<br \/>\nhis truest love is geometry.<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/gwh-puzzles21.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:331 --><img loading=\"lazy\" decoding=\"async\" height=\"99\" width=\"110\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/gwh-puzzles21-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a>\n<\/p>\n<p><i>So tell us a bit about yourself?<\/i><a href=\"\/blog\/uploads\/gwh-puzzles2.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:331 --><\/a><br \/>\n<br \/>I try to make cool things.<\/p>\n<p><i>Are you a mathematician or a sculptor?<\/i><br \/>\n<br \/>That isn&#8217;t an either\/or question as I consider myself both.  Perhaps<br \/>\n&#8220;applied mathematician&#8221; is an understandable category, applying<br \/>\nmathematics to sculpture.<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/echinoderm21.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:337 --><img loading=\"lazy\" decoding=\"async\" height=\"93\" width=\"110\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/echinoderm21-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a><a href=\"\/blog\/uploads\/100_0822.JPG\" class=\"serendipity_image_link\"><!-- s9ymdb:334 --><\/a><\/p>\n<p style=\"margin-bottom: 0in;\">\n<p><i>How do you approach your rapid prototyping art?<\/i><br \/>\n<br \/>My mind is full of forms screaming to get out. Unfortunately, there is<br \/>\nno time for me to get to them all. I try to give the most worthy ones<br \/>\nthe gift of existence, but there are so many material things one must<br \/>\nattend to. Additive fabrication helps me considerably in the process.<br \/>\nI hope viewers can see some of what I see in my works.<\/p>\n<p>Continued below&#8230;<\/p>\n<p><!--more--><\/p>\n<p><i>What do you teach at Stony Brook?<\/i><br \/>\n<br \/>\nI teach a range of courses including some on computer-aided sculpture<br \/>\nand algorithms for 3D design. As far<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/uploads\/5tt-6pp.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:332 --><\/a><br \/>\nas I know, my Computers and Sculpture class is the only course in the<br \/>\nuniverse specifically about the various ways in which computer technology<br \/>\nis applied to sculpture.<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/5tt-6pp1.jpg\" class=\"serendipity_image_link\"><img loading=\"lazy\" decoding=\"async\" height=\"110\" width=\"54\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/5tt-6pp1-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a>\n<\/p>\n<p><i>Why the fascination for three dimensional space?<\/i><br \/>\n<br \/>\nWe are stuck in a 3D universe and we have evolved to perceive and enjoy<br \/>\nits richness. Sculpture helps one appreciate both the possibilities<br \/>\nand the limitations of space.<\/p>\n<p><i>What is your <a href=\"http:\/\/www.georgehart.com\/virtual-polyhedra\/vp.html\">Encyclopedia of polyhedra<\/a>?<\/i><br \/>\n<br \/>\nThat is web resource I wrote to systematize a great deal of information<br \/>\nabout polyhedra, including so <a class=\"serendipity_image_link\" href=\"uploads\/c21.JPG\"><!-- s9ymdb:336 --><\/a><br \/>\nme mathematical gems and an appreciation<br \/>\nfor their history and beauty. It is illustrated with 3D models in<br \/>\nVRML, which was the state of the art in the mid 1990s when I wrote it,<br \/>\nbut the technology is a bit dated now. I&#8217;d like to find a student to<br \/>\ndo a project converting everything a more modern format.<\/p>\n<p><i>What 3D software tools do you use?<\/i><br \/>\n<br \/><a class=\"serendipity_image_link\" href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/GLOBAL21.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"94\" width=\"110\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/GLOBAL21-150x150.jpg\"><\/a><br \/>\nI use many different tools, but commercial software doesn&#8217;t have<br \/>\nfeatures I need for the kinds of <a class=\"serendipity_image_link\" href=\"uploads\/reindeer.jpg\"><!-- s9ymdb:339 --><\/a><br \/>\nmathematical structures that interest<br \/>\nme. So mostly I write my own 3D sculpture CAD tools, which I then use<br \/>\nin design. This makes me want new features, so I am constantly varying<br \/>\nand editing my software.<\/p>\n<p><i>Would you recommend any of them?<\/i><br \/>\n<br \/>\nThe tools I write are just for me.  Nothing is stable or documented for<br \/>\nrelease. I&#8217;m mainly interested in producing actual sculptures, and the<br \/>\nsoftware tools are just one of many steps along <a class=\"serendipity_image_link\" href=\"uploads\/GLOBAL2.JPG\"><!-- s9ymdb:338 --><\/a><br \/>\nthe way.<\/p>\n<p><i>What kind of person would you recommend the software tool Mathematica to?<\/i><br \/>\n<br \/>\nTo use it well, you need some mathematical maturity, an understanding<br \/>\nof basic software concepts such as recursion, and means to get a copy<br \/>\ninexpensively. I expect it is far too expensive for individual artists<br \/>\nto consider purchasing.<br \/>\n<a class=\"serendipity_image_link\" href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/reindeer1.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"105\" width=\"110\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/reindeer1-150x150.jpg\"><\/a><\/p>\n<p><i>You wrote a paper about procedural generation of sculptural forms, could you in laymans terms explain this to us?<\/i><br \/>\n<br \/>\nIt is part of a process in which one envisions a 3D form, thinks of its<br \/>\nmathematical representation, writes a program to generate a description<br \/>\nof the form, then uses additive freeform technology to physically<br \/>\nrealize the description.  Certain complex structures are most easily<br \/>\nrealized with a generative program as an intermediate step.<\/p>\n<p><i>Is a procedurally generated sculpture a sculpture? In what sense?<\/i><br \/>\n<br \/>\nBy definition.  (It isn&#8217;t necessarily a &#8220;good&#8221; sculpture, but that is<br \/>\nan issue independent of the material.)  A procedurally generated<br \/>\nsculpture can be visually engaging, it can make you think, it can evoke<br \/>\nemotions, it can open your imagination to new possibilities, it can<br \/>\ndelight the senses, it can give you a peek into the mind of the artist<br \/>\nwho causes it to exist. These are all things one looks for in<br \/>\nsculpture.<\/p>\n<p><i>There seems to me to be less &#8216;intent&#8217; and &#8216;expression&#8217; than in a traditional sculpture?<\/i><br \/>\n<br \/>\nI don&#8217;t think so.  To appreciate any genre of art requires some<br \/>\neducation and alot of individual study.  Take my course and I bet you<br \/>\nwill see more.<\/p>\n<p><i>You also enjoy mathematical puzzles?<\/i><br \/>\n<a class=\"serendipity_image_link\" href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/c211.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"83\" width=\"110\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/c211-150x150.jpg\"><\/a><br \/>\n<br \/>\nYes, especially geometric assembly puzzles, which have much in common<br \/>\nwith my sculpture.  But all kinds of puzzles can be fun and serve to<br \/>\nopen the mind to new directions. They are great for teaching people<br \/>\nthat there isn&#8217;t usually a cookbook solution to problems.<\/p>\n<p><i>Objects need to be 2 manifold to be 3D printed, I&#8217;ve been unable to<br \/>\nexplain this well to anyone, possibly because I don&#8217;t understand it.<br \/>\nCan you explain it for us<\/i>?<br \/>\n<br \/>\nNot concisely.  It often takes a while to understand even when I explain<br \/>\nit to my students in class after class.<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/061.jpg\" class=\"serendipity_image_link\"><img loading=\"lazy\" decoding=\"async\" height=\"110\" width=\"83\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/061-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a>\n<\/p>\n<p><i>Four-Dimensional Polytope Projection <a href=\"http:\/\/www.cs.sunysb.edu\/~george\/sculpture-barn-raised.html\">Barn Raisings<\/a>, uuum<\/i>?<br \/>\n<br \/>\nThey&#8217;re great fun! I like to organize various kinds of &#8220;<a href=\"http:\/\/www.georgehart.com\/Seville\/index.html\">nerd parties<\/a>&#8221;<br \/>\nin which people come together<a href=\"https:\/\/www.shapeways.com\/blog\/uploads\/06.JPG\" class=\"serendipity_image_link\"><!-- s9ymdb:333 --><\/a> and form a community that creates<br \/>\nsomething cool.  Along the way, the professor in me tries to convey a<br \/>\nbit of something educational as well. <a href=\"http:\/\/www.georgehart.com\/sculpture\/salamanders-assembly.html\">Four-Dimensional Polytope<br \/>\nProjection Barn Raisings<\/a> are one example of that. You can get a sense<br \/>\nof them from <a href=\"http:\/\/www.georgehart.com\/Albion\/construction.html\">pictures on my web pages<\/a>, but you really must attend one<br \/>\nto feel the joy of participatory mathematical constructions.<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/100_00611.jpg\" class=\"serendipity_image_link\"><img loading=\"lazy\" decoding=\"async\" height=\"83\" width=\"110\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/100_00611-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a><\/p>\n<p><i>The resulting polytope models seem really beautiful to me, is it because of my natural attraction to symmetry?<\/i><br \/>\n<br \/>\nIt is because they are really beautiful.<\/p>\n<p><i>Since when have you been involved with rapid prototyping?<\/i><br \/>\n<a href=\"\/blog\/uploads\/100_0061.JPG\" class=\"serendipity_image_link\"><!-- s9ymdb:335 --><\/a><br \/>\n<br \/>\nI only got even limited access to any machines in the late 1990s.<\/p>\n<p><i>How did you initially become involved with the technology<\/i>?<br \/>\n<br \/>\nI had an &#8220;inside man&#8221; who liked making some models for me on the side,<br \/>\nas they were cooler than the other jobs he had to do.<\/p>\n<p><i>What has changed over the years<\/i>?<br \/>\n<br \/>\nThe cost is coming down and more people are becoming aware of its<br \/>\nincredible power to create any form one can think of. The imagination<br \/>\nis now the limiting factor in design, not the hands.<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/sierpinski1.jpg\" class=\"serendipity_image_link\"><img loading=\"lazy\" decoding=\"async\" height=\"110\" width=\"101\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/sierpinski1-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a>\n<\/p>\n<p><i>Do you see this as becoming a mass market technology<\/i>?<a href=\"https:\/\/www.shapeways.com\/blog\/uploads\/sierpinski.JPG\" class=\"serendipity_image_link\"><!-- s9ymdb:342 --><\/a><br \/>\n<br \/>\nI expect that in under ten years there will be machines in service<br \/>\nbureaus everywhere, like Kinkos has photocopiers, then every college,<br \/>\nthen every high school.  The types of individuals who now have drill<br \/>\npresses or table saws will also have additive fabrication machinery.<\/p>\n<p><i>Mathematics is of fundamental importance to our society and will only<br \/>\nbecome more important in the future. But, if I look around myself most<br \/>\npeople I know are turned away from it at a young age. As a teacher, is<br \/>\ninspiration an important part of keeping people interested in it? How<br \/>\ncould more people understand and be interested in math<\/i>?<br \/>\n<br \/>\nIt is a shame, because most people never even see any real math to<br \/>\nappreciate its beauty. People hate how arithmetic is taught to them in<br \/>\nschool and, because that is called &#8220;math class&#8221;, they think they<br \/>\n<a class=\"serendipity_image_link\" href=\"uploads\/rhomball1.jpg\"><!-- s9ymdb:340 --><img loading=\"lazy\" decoding=\"async\" height=\"109\" width=\"110\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/rhomball11-150x150.jpg\"><\/a><br \/>\nhate math.<\/p>\n<\/p>\n<p><i>I love your <a href=\"http:\/\/www.georgehart.com\/rp\/rp.html\">rhomball model<\/a> and carry it<br \/>\nwith me wherever I go. Did you know that in SLS (Selective Laser Sintering or our White, Strong &amp; Flexible material) it bounces very well?<\/i><br \/>\n<br \/>\nI have an SLS one, about 3 inches in diameter, which I have<br \/>\naccidentally dropped a few times.  But I usually try not to bounce it,<br \/>\nas I can&#8217;t easily replace my models.<\/p>\n<p><i>Mathematics and art seem to be polar opposites for some people: one the<br \/>\nexact, logical, science, hard truths, the &#8220;left brain&#8221;, the other<br \/>\nromantic, creative, expression, &#8220;the right brain.&#8221;Would you agree to this or do you seem them much as part of the same thing<\/i>?<br \/>\n<br \/>\nFor thousands of years, people studied math for its beauty. All<br \/>\nthrough history there have been very close connections between art and<br \/>\nmath. Math is one of the liberal arts. If we taught students to how<br \/>\nsee the beauty of a theorem or the elegance of a proof they might come<br \/>\nat mathematics anew.<\/p>\n<p><i>You describe <a href=\"http:\/\/www.georgehart.com\/virtual-polyhedra\/sharp.html\">Abraham Sharp<\/a> as an &#8220;artist of polyhedra&#8221;<\/i>?<br \/>\n<br \/>\nCertainly. <a href=\"http:\/\/www.georgehart.com\/virtual-polyhedra\/sharp.html\">My web page about him explains this<\/a>.<br \/>\nRead his book and you will see his love for the beauty of geometry. <\/p>\n<p><i>Could you explain the &#8220;beauty of geometry&#8221; to us or do we have to see it<\/i>?<br \/>\n<a href=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/t120stl11.jpg\" class=\"serendipity_image_link\"><!-- s9ymdb:341 --><img loading=\"lazy\" decoding=\"async\" height=\"110\" width=\"109\" src=\"https:\/\/www.shapeways.com\/blog\/wp-content\/uploads\/2008\/12\/t120stl11-150x150.jpg\" style=\"border: 0px none ; float: right; padding-left: 5px; padding-right: 5px;\"><\/a><br \/>\n<br \/>\nCan you explain the beauty of the nude human form to us? Appreciating it is just part of being human.<\/p>\n<p><i>Do you like learning more than teaching<\/i>?<br \/>\n<br \/>\nI think so. But even richer are the pleasures of discovering something new on ones own.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Professor George Hart is a rapid prototyping pioneer. Back when Shapeways was years away from being an idea and the&#8230;<\/p>\n","protected":false},"author":6,"featured_media":2981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[478],"tags":[480,482,477],"class_list":["post-151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-community","tag-4-art","tag-6-inspiration","tag-1-whats-hot"],"thumbnail":false,"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.9 (Yoast SEO v23.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Shapeways member interviews: George Hart - Shapeways Blog<\/title>\n<meta name=\"description\" content=\"Professor George Hart is a rapid prototyping pioneer. 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