Summary

gopro_cage_mount_CAGE.stl Is the Part connected to the Cage
gopro_cage_mount_GOPRO.stl is the GoPro mount.

Just separated the parts.
Everything else -> https://www.thingiverse.com/thing:44997

Print Settings

Printer Brand:

Ultimaker

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p><a rel="nofollow" href="https://ultimaker.com/" target="_blank">Ultimaker Original</a></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>20%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>All Credits to <a rel="nofollow" href="/FluidDo">https://www.thingiverse.com/FluidDo</a>.</p><p>Just separated the parts.</p></div>

Roll Cage Swivel Mount for GoPro seperated