Summary

For a 40mm diameter pool !
Use tore to adapt your diameter

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/cy02KnSkiE0

Print Settings

Printer:

Anet A8

                                            <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>0.15</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>30%</p></div></p>

Pole Socket