Whistling Arrow Head
thingiverse
They suit a 5/16 tapered shaft and produce a considerable amount of noise. With no infill, they weigh approximately 85 grams. To achieve a heavier weight, simply increase the infill percentage; I estimate that with 100% infill you could reach about 100 grams. You can observe them in action at [https://www.youtube.com/embed/ziuUgzzR3aA/](https://www.youtube.com/embed/ziuUgzzR3aA/).
Download Model from thingiverse
With this file you will be able to print Whistling Arrow Head with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Whistling Arrow Head.