Summary

Needed some M3 drop-in nuts for 3030 extrusion since M3 is all I have on hand but couldn't find one to print, hence this. It seems to print best in the default orientation but YMMV. Hope you find it useful.

Update: Added a version with a cavity for an M3 nut.

Print Settings

Printer Brand:

Prusa

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>i3 MK3</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>.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Printed with 30% infill and 3 perimeters for strength.  May be overkill but wanted to make sure.</p></div>

How I Designed This

Designed in Fusion360

M3 drop-in nut for 3030 extrusion