A m-lock low-profile foregrip. It's curved at both ends to provide a comfortable holding position, and doubaling has a hand stop. Based on popular m-lock foregrips but 3D printed.

It has a ridged surface for grip in all conditions and is mounted on with M4 machine screws and t-nuts.

Mounting

2 x M4* machine screws. 

2 x M4 t-nuts

*Lengths don't matter too much.

Printing

Print on its side. Supports may be needed, depending on your printer.