Summary

Saw it in a video and decided to have a quick go at it.

Print with two different colours to achieve the best effect.
The center hole allows for an M6 bolt and nut to be used.
I used lots of tolerance to ensure that not-so-precise FDM printers could get it done.

Print Settings

Printer Brand:

RepRap

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Kossel Mini</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Doesn't Matter</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Doesn't Matter</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.2mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>10%</p></div></p>

Post-Printing

Some clean-up might be required (strings)

"Impossible" Dove Tail Joint