Summary

I collected a few helmets and resized them for Mythic Legions skeletons.
Use Arachne for the walls, because even though I thickened the helmets, some are still quiet thin.

Some more sources:
https://cults3d.com/de/modell-3d/mode/warden-standard-infantry-helmet
https://cults3d.com/de/modell-3d/mode/m1916-stahlhelm-1-1-ww1-german-helmet-updated
https://makerworld.com/de/models/787954-world-war-ii-m1-helmet#profileId-725899

Print Settings

Printer Brand:

Bambu Lab

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>A1</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>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>15%</p></div></p>

Caps and Helmets for Mythic Legions Skeletons