Summary

[https://www.printables.com/model/35707-30mm-fan-adapter-for-40mm-opening-with-nut-traps]

I wanted a low profile adapter to mount a 30mm fan onto a 40mm duct. This model includes traps to hold 4 M3 nuts and clearance for 4 M3 bolts.

V2 improves the fitment for nuts/bolts with wider openings but a 2 degree draft angle so that as you tighten the nuts and bolts, they get grabbed by the plastic more and more. Should make fan swaps easier since nuts and bolts won't fall out.

Print Settings

Printer:

Prusa

                                            <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>0.2mm</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>Print in ABS or PETG if using near hotend - otherwise PLA is fine.</p></div>

30mm fan adapter for 40mm opening with nut traps

30mm fan adapter for 40mm opening with nut traps

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