Summary

Print the bayonet mount ring flat and the filter holder vertical with support (and roof support)

Made mine out of ABS

Hole in bottom of filter holder is for a 2-56 screw.

Print Settings

Printer Brand:

Robo 3D

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>R1 ABS + PLA Model</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>.25</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>60+</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>requires some clean up but works well. </p></div>

100x100mm filter holder (tested with formatt hitech) and bayonet mount ring for nikon 18-35