Summary

I made this sliding lid box specifically to hold the ruler shown, but it's pretty easy to change the dimensions.

This was designed in Tinkercad. The original project is here: https://www.tinkercad.com/things/7dNUcJT0Y6O

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>CR-10</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>Layer height .28</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>50% Cubic Sub</p></div></p>                                                    <strong>Filament:</strong> Kinluot PLA                Gray                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Layer height .28mm<br>Top/Bottom/Walls thickness 1.5<br>No supports<br>No adhesion<br>Infill doesn't matter much since the walls are only 1.5mm thick</p></div>

Sliding Lid Box