ユニット折り紙・折り紙3枚で作る、変形する立体三角の折り方・作り方動画

<p><span class&equals;"embed-youtube" style&equals;"text-align&colon;center&semi; display&colon; block&semi;"><amp-youtube data-videoid&equals;"FqKwc&lowbar;jIvag" 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;FqKwc&lowbar;jIvag" placeholder><amp-img src&equals;"https&colon;&sol;&sol;i&period;ytimg&period;com&sol;vi&sol;FqKwc&lowbar;jIvag&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;FqKwc&lowbar;jIvag&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<br &sol;>&NewLine;15㎝×15㎝ 3枚 <&sol;p>&NewLine;<p>折り方も簡単なので、すぐ作れます。<&sol;p>&NewLine;&NewLine;