Summary

Replacement sprocket coupling for Liftmaster and Chamberlain Brand screw drive openers
Same as part number K025C0020
Older part number 25C20.

Printed in TPU with a slightly smaller diameter, it fits snug.
Used now for a month or so, still working fine.
approximately $0.47 and 1:30 print time (faster then ordering on the web or to go to shop)

enough video's on youtube about replacement.

Print Settings

Printer Brand:

Deltaprintr

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Deltaprintr Kit</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>Yes</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 height</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>100%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>TPU (sainsmart) 210 C  bed 50C. 60mm/s</p></div>

Post-Printing

                <p class="detail-caption"><strong>running smooth, a little hard to get on</strong></p>

25C18 Liftmaster Garage door Sprocket coupler