Summary

Ring to attach to a rehusable plastic cup so the cup can hang from a carabiner attached via keychain.

It does fit these typical plastic cups from catalonia:
https://shop.ecofestes.com/ca/shop/productos/ver/128/

Don't know if it will fit cups elswhere

If it doesn't you can just edit it on thingiverse:
https://www.tinkercad.com/things/4vNDsQINF3j

Print Settings

Printer Brand:

Prusa

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>i3 MK3</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>0.2mm</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>20%</p></div></p>                                                        <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>The ring is 0.8mm so its just two perimeters on a standard 0.4mm nozzle.rnrnIf your nozzle is not a multiple of 0.8mm it would be better to modify the file.</p></div>

reusable plastic cup keychain hanger