Summary

Bahtinov mask for Rubinar 300 f/4.5 Maksutov lens.
SVG generated from http://astrojargon.net/MaskGen.aspx (Thanks!) and refined on TinkerCad.

Print Settings

Printer:

ZoneStar P802QSU

                                            <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>0.2</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30%</p></div></p>                                                    <strong>Filament:</strong> SunLu PLA+                Black                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>Fit just perfect like a lens cap. You may wish to enlarge a little bit for an easier fit.</p><p>Comments welcome!</p></div>