Summary

OpenScad code for rounds and fillets is pretty slick. It renders fairly fast.

Press onto 1/4-28 flange bolt. Scale or modify the OpenSCAD code as needed for good fit.

I used it to replace a stripped 1” long height adjustment bolt on a music stand.

See Amazon for: On-Stage SM7211B Professional Grade Folding Orchestral Sheet Music Stand, Black

Print Settings

Printer:

JG Maker Artist-D

                                            <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>mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>20</p></div></p>                                                    <strong>Filament:</strong> TecBears PETG                Gray                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>PLA should work fine.   Print stem down or up (less supports but more clean</p><p>I also used adaptive layers in CURA (optional).</p></div>

Thumb T-Bolt