Summary

This is a very simple solution to having to pay $10+ for hard drive trays. Not nearly as easy to use or convenient as a regular tray but it works alright.
check out the video here: https://youtu.be/dINSZFLyLlk

Print Settings

Printer Brand:

RepRap

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Mendel i3</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>.19 mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>%20</p></div></p>

Post-Printing

If you are using a 3.5 in hard drive print 2 of the ones with out holes and drill holes where needed for mounting.

Dell Power Edge 2950 server hard drive tray (simple)