Summary

I made this to be used with 2 medium command strips. My mirror is made by Upper West Collection. The ball's diameter is 0.9 in (22.86 mm).
https://www.amazon.com/gp/product/B00XMJNH88

Print Settings

Supports:

Doesn't Matter

                                            <p class="detail-setting resolution"><strong>Resolution: </strong>                     <div><p>0.1 mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30%</p></div></p>                                                    <strong>Filament:</strong> AIO Robotics PLA                black                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>I was able to print without supports, but the bottom of the ball came out slightly distorted. This didn't affect usability.</p></div>

Post-Printing

Sand the base flat for better adhesion

Shower Mirror Command Strip Attachment