{"id":1539,"date":"2019-06-10T18:27:39","date_gmt":"2019-06-10T18:27:39","guid":{"rendered":"http:\/\/mentalblocks.co.uk\/blog\/?p=1539"},"modified":"2019-06-11T16:58:28","modified_gmt":"2019-06-11T16:58:28","slug":"flatland-lock","status":"publish","type":"post","link":"http:\/\/mentalblocks.co.uk\/blog\/flatland-lock\/","title":{"rendered":"Flatland Lock"},"content":{"rendered":"\n<div class=\"wp-block-columns has-2-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"802\" height=\"1024\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/flatlock-cropped-802x1024.jpg\" alt=\"\" class=\"wp-image-1543\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/flatlock-cropped-802x1024.jpg 802w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/flatlock-cropped-235x300.jpg 235w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/flatlock-cropped-768x981.jpg 768w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/flatlock-cropped.jpg 1045w\" sizes=\"(max-width: 802px) 100vw, 802px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p><\/p>\n\n\n\n<p>About ten years ago we came across a puzzle called <em>Bank Raid<\/em>, in <em>Leonardo\u2019s Mirror &amp; Other Puzzles<\/em> by Ivan Moscovich. <\/p>\n\n\n\n<p>The puzzle itself was inspired by the 2- dimensional world of <em>Flatland: A Romance of Many Dimensions<\/em> by Edwin Abbott Abbott.  <\/p>\n\n\n\n<p>At the time we made a crochet blanket. Obviously it was not possible to physically move the pieces so it was just a reasoning puzzle.  <\/p>\n\n\n\n<p>I have now gone back to it to make a version where you can actually move the pieces.   <\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns has-2-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"632\" height=\"817\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-top.jpg\" alt=\"\" class=\"wp-image-1551\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-top.jpg 632w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-top-232x300.jpg 232w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<p><\/p>\n\n\n\n<p>The complete puzzle. <\/p>\n\n\n\n<p>The lid is fixed to the base at the four corners. The sides of the frame are open for the pieces to slide out. <\/p>\n\n\n\n<p>The four pieces of the lock can move up, down, left and right. <\/p>\n\n\n\n<p>How do you remove all the pieces?<\/p>\n\n\n\n<p>One of the photos below shows the complete shapes of the four pieces; the other shows what you see when the lid is not in place. <\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns has-2-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"632\" height=\"817\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/pieces-1.jpg\" alt=\"\" class=\"wp-image-1557\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/pieces-1.jpg 632w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/pieces-1-232x300.jpg 232w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><figcaption>The four pieces<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"632\" height=\"817\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-base-1.jpg\" alt=\"\" class=\"wp-image-1558\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-base-1.jpg 632w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/with-base-1-232x300.jpg 232w\" sizes=\"(max-width: 632px) 100vw, 632px\" \/><figcaption>What you see when the lid is not fixed on<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>The files for making the puzzle can be downloaded from <a href=\"https:\/\/www.thingiverse.com\/thing:3682979\">Thingiverse<\/a> or <a href=\"https:\/\/pinshape.com\/items\/53030-3d-printed-flatland-lock\">Pinshape<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-columns has-2-columns\">\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"681\" height=\"650\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/all-pieces.jpg\" alt=\"\" class=\"wp-image-1579\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/all-pieces.jpg 681w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/all-pieces-300x286.jpg 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><figcaption>There are six pieces in total <\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image\"><img loading=\"lazy\" width=\"681\" height=\"650\" src=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/studs-1.jpg\" alt=\"\" class=\"wp-image-1583\" srcset=\"http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/studs-1.jpg 681w, http:\/\/mentalblocks.co.uk\/blog\/wp-content\/uploads\/2019\/06\/studs-1-300x286.jpg 300w\" sizes=\"(max-width: 681px) 100vw, 681px\" \/><figcaption>The studs on the back allow the pieces to move along the grooves in the base<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>The video shows the solution<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ttfmake-embed-wrapper aligncenter\" style=\"max-width: 960px;\"><iframe loading=\"lazy\" title=\"How to open a Flatland Lock\" width=\"960\" height=\"540\" src=\"https:\/\/www.youtube.com\/embed\/4_RO-n6JlEs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.ravelry.com\/patterns\/library\/flatland-lock\">You can download the afghan pattern from Ravelry<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>About ten years ago we came across a puzzle called Bank Raid, in Leonardo\u2019s Mirror &amp; Other Puzzles by Ivan Moscovich. The puzzle itself was inspired by the 2- dimensional world of Flatland: A Romance of Many Dimensions by Edwin Abbott Abbott. At the time we made a crochet blanket. Obviously it was not possible &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,43],"tags":[29,30,54,56,55,23],"_links":{"self":[{"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/posts\/1539"}],"collection":[{"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=1539"}],"version-history":[{"count":24,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/posts\/1539\/revisions"}],"predecessor-version":[{"id":1589,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/posts\/1539\/revisions\/1589"}],"wp:attachment":[{"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=1539"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=1539"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mentalblocks.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=1539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}