<?xml version="1.0"?>
<oembed><version>1.0</version><provider_name>gCADPlus</provider_name><provider_url>https://www.gcadplus.com/wp</provider_url><author_name>Keith</author_name><author_url>https://www.gcadplus.com/wp/author/kwestdesigncad-com-au/</author_url><title>Remove blocks - gCADPlus</title><type>rich</type><width>600</width><height>338</height><html>&lt;blockquote class="wp-embedded-content" data-secret="1yhquTOHRJ"&gt;&lt;a href="https://www.gcadplus.com/wp/remove-blocks/"&gt;Remove blocks&lt;/a&gt;&lt;/blockquote&gt;&lt;iframe sandbox="allow-scripts" security="restricted" src="https://www.gcadplus.com/wp/remove-blocks/embed/#?secret=1yhquTOHRJ" width="600" height="338" title="&#x201C;Remove blocks&#x201D; &#x2014; gCADPlus" data-secret="1yhquTOHRJ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"&gt;&lt;/iframe&gt;&lt;script&gt;
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&amp;&amp;d.addEventListener&amp;&amp;"undefined"!=typeof URL&amp;&amp;(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&amp;&amp;!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i&lt;o.length;i++)o[i].style.display="none";for(i=0;i&lt;a.length;i++)s=a[i],e.source===s.contentWindow&amp;&amp;(s.removeAttribute("style"),"height"===t.message?(1e3&lt;(r=parseInt(t.value,10))?r=1e3:~~r&lt;200&amp;&amp;(r=200),s.height=r):"link"===t.message&amp;&amp;(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&amp;&amp;n.host===r.host&amp;&amp;l.activeElement===s&amp;&amp;(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r&lt;s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://www.gcadplus.com/wp/wp-includes/js/wp-embed.min.js
&lt;/script&gt;
</html><description>It is common for drawings to grow to an unwieldy file size as users insert (and then discard) blocks that they do not use. The BLOCKS command can be used to scan for and remove these unused blocks that are &#x2018;sitting on the shelf&#x2019;. We show how a sample file was reduced in size by [&hellip;]</description><thumbnail_url>https://www.designcad.com.au/wp/wp-content/uploads/2018/06/YouTubeLogo.gif</thumbnail_url></oembed>
