Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4861555.

<h5>This Is A Ventilated Portable Ergonomic Adjustable Stand for Laptop, Netbook, Tablet, Phone, Book, iPad.</h5> <h5><em>The angle of the stand relative to the plane can vary from 20 to 40 degrees.</em></h5> <h4><br /><span style="text-decoration: underline;">Features:</span></h4> <ul><h5> <li>Height adjustable ergonomic design (7 angles)</li> <li>Foldable and portable.</li> <li>Universal Compatibility</li> <li>Ventilation and quiet: The hollow design helps to maintain operating temperature.<br /><br /><br /></li></h5> </ul> <h5><em>For better fixation of your gadget, you need to stick a self-adhesive silicone lining on the support pad, on the legs and the corner in contact with the surface and in the specially designated places at the top. In order to cut out the upper gaskets, I prepared a template that can be circled with a pen on both sides.</em></h5> <h4>Parts links below: <p><a href="https://s.click.aliexpress.com/e/_AZPVQH" target="_blank" rel="noopener"><img src="https://ae01.alicdn.com/kf/Hcaae5ab52c8d46c4bfe0e94fc7e8817dg.jpg_80x80.jpg" />- Non-slip silicone pad  </a></p> <p><a href="https://s.click.aliexpress.com/e/_AZPVQH" target="_blank" rel="noopener"></a></p></h4> <hr> <center><a href="https://paypal.me/mishkin2"><img src="http://infofranpro.wdfiles.com/local--files/start/paypal%20logo.jpg" border="0"></a></center> <center>Thank you for every review, like or donation,<br> It motivates and helps to implement new projects!</center> <hr>