Summary

The length of the dumbbell is 260 mm.
I printed it from PLA.
It's better to print horizontally so that the dumbbell does not break.
I chose 0.15mm layer height.
I attached the elastics to the ends of the screws to make the security more secure.

Print Settings

Printer:

anet A6

                                            <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>Yes</p></div></p>                                                                                <p class="detail-setting infill"><strong>Infill: </strong>                     <div><p>min. 40%</p></div></p>

Dumbbell 100% printable