【折り紙】八角形の箱の折り方・作り方動画【Origami】 How to fold Paper Octagon Box

<p><span class&equals;"embed-youtube" style&equals;"text-align&colon;center&semi; display&colon; block&semi;"><amp-youtube data-videoid&equals;"E4v9j5Oozhk" data-param-rel&equals;"1" data-param-showsearch&equals;"0" data-param-showinfo&equals;"1" data-param-iv&lowbar;load&lowbar;policy&equals;"1" data-param-fs&equals;"1" data-param-hl&equals;"ja" data-param-autohide&equals;"2" data-param-wmode&equals;"transparent" width&equals;"1256" height&equals;"707" layout&equals;"responsive"><a href&equals;"https&colon;&sol;&sol;www&period;youtube&period;com&sol;watch&quest;v&equals;E4v9j5Oozhk" placeholder><amp-img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;E4v9j5Oozhk&sol;hqdefault&period;jpg" alt&equals;"YouTube ポスター" layout&equals;"fill" object-fit&equals;"cover"><noscript><img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;E4v9j5Oozhk&sol;hqdefault&period;jpg" loading&equals;"lazy" decoding&equals;"async" alt&equals;"YouTube ポスター"><&sol;noscript><&sol;amp-img><&sol;a><&sol;amp-youtube><&sol;span><&sol;p>&NewLine;<p>折り紙 （15cm×15cm）<br &sol;>&NewLine;蓋 ー 8枚<br &sol;>&NewLine;底 ー 8枚<br &sol;>&NewLine;合計16枚<&sol;p>&NewLine;<p>八角形の箱の折り方<&sol;p>&NewLine;&NewLine;