Summary

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/d6ddAuDRmmY

Print Settings

Printer:

I3 Mega

                                            <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30</p></div></p>

Post-Printing

You only need a Spring of a ballpoint pen

Smartphone Holder Double Sided Tape Mount