Summary

you need a A4 sheet ( i took laminating film)
print 3 clips and put 3 holes in the A4 Sheet

v7 modifyed and fits better

Print Settings

Printer Brand:

Deltaprintr

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Deltaprintr Assembled</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>25</p></div></p>                                                    <strong>Filament:</strong> Redline PETG ot PLA

baseball cap shield