Summary

Multiply the size by 10; you could adjust the hole size a little or just the size of the whole thing.

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Ender 3 Pro</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>Yes</p></div></p>                                                                                <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>.2mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>100%</p></div></p>                                                    <strong>Filament:</strong> doesn't matter PLA                I used copper                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Print supports with a support overhang angle of 55, and I think that's it.</p></div>

Spikey brass knuckles