Summary

I take no credit for this work, I simply removed the super secret from the plinth inside the cracker.

Please find the original here:
http://www.thingiverse.com/thing:212276

I used this to put my own gift inside, by pausing midway through the print.

Print Settings

Printer Brand:

RepRap

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>BQ Hephestos</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>0.3mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>5%</p></div></p>

Super Secret Cracker (Empty)