The G-Spot stimulator was Developed and Designed and is partly based on a Dog Chew Toy that was perverted.
If you are using on someone who does not Squirt i would recommend wearing a raincoat, if you are using it on someone who has never squirted then warn them and probibly wear a rain coat as well.
3D Printed in ABS and polished.
Suggested infill is around 14 to 20% with a 4 layer wall thickness.
resolution is up to you as is the size as it can be scaled in your print software.
The critical part is the Ball, for a small female I would suggest printing it so the ball is around 30mm in diameter.