Summary

This is for TAMIYA R/C Lunchibox mini. This reinforces it's drive shaft.
I enlarged it a little for printing it by Ender3 pro.

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Ender 3 Pro</p></div></p>                                                                                <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>0.12</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>40%</p></div></p>                                                    <strong>Filament:</strong> ???? PLA

Post-Printing

How to use.

            <div><p>Cover it on the drive shaft before setting hollow screw.</p></div>                <p class="detail-image"><img src="https://cdn.thingiverse.com/assets/76/5b/c9/9c/1d/_2019-09-09_195448.png"></p>

SW-01 drive shaft support ring