Fillable Kettlebell – 3D Printed Adjustable Weight (Up to 1 Liter)

Description:
 

This is a fillable kettlebell designed for 3D printing and adjustable home workouts. Ideal for strength training, conditioning, and functional fitness, this model can be filled with sand, water, or other materials to achieve the desired weight – up to approximately 1 liter of volume.

💪 Features:

Clean and simple design, easy to print

Hollow body for adjustable filling

Threaded or snap-fit cap (depending on version) for secure sealing

Handle sized for a comfortable one-hand grip

Perfect for warming up, light workouts, or travel-friendly fitness

🧯 Filling Options:

Water (~1 kg when full)

Sand (~1.5–1.7 kg when full, depending on density)

Gravel (~1,6 kg when full)

Rice (~0,75 kg  when full)

Iron powder (~4,5 kg when full)

🖨 Printing Recommendations:

Material: PETG or ABS recommended for strength (PLA for light use)

Infill: min. 20–40%

Perimeters: 3 or more

Supports: May be needed depending on orientation

Layer height: 0.2 mm

🛠 Assembly & Use:
Print the body and cap, fill to desired level, and seal. Always test the strength before intense use. You can also glue the cap permanently for extra safety.

⚠ Disclaimer:
This model is not designed for heavy swings or high-impact training. Always use caution and inspect the printed parts for wear and cracks over time.

📸 Upload your makes and share how you use your fillable kettlebell!