Modular PET bottle dumbbell

Dumbbell handle that fits attachment of regular PET bottles (watertight), includes a multiplicator module that enables an increase in the number of bottles, and thus increase in weight.

Remix of keizi666's PET bottle cap design (https://www.thingiverse.com/thing:3174977)

Print instructions

Layer height:
0.3 mm

Infill:
20 %

Rafts:
No

Supports:
Yes