Veggetti Drill Bit

I am a healthy eater and have enjoyed creating spaghetti type dishes out of vegetables using the Veggetti (see below).

I batch my cooking so I only cook one day for meals for the rest of the week. Usually I will need to make vegetable noodles from 4-8 total vegetables and it can be tedious, time consuming and tiresome to my wrist. I decided to create a solution to cut down on prep work and soreness. I am utilizing a technology that creates a tremendous amount of torque and available in most houses, a power drill. I started to design a drill bit that would takeover hand twisting a vegetable.

Prototype #1

Here is the final prototype print. Below is a case study of the process I went through.

I reversed engineered a drill bit to get the dimensions so the bit can easily fit into a power drill. I created the model in OnShape. The spikes are meant to pierce into the end of a vegetable, and the smaller end fits into the power drill. The drill rotates the vegetable and with slight applied pressure, the vegetable cut through the blade of the veggeti into vegetable noodles.

The printing stage was more difficult than anticipated. There were a few failures before the final prototype was completed. Below are the failures in pink, and the green is the completed print.


Key Takeaways

  • One of the failures was because the PLA material was not cooling fast enough and the material was bending over the feed nozzle, eventually the nozzle knocked over the print. We set up a fan to help cool the material.
  • The other failures were due to complexity of the nozzle path (multiple parts printing at once) and a heating plate was too hot and the print lost its integrity.
  • The last print we created a large raft to help support the print from tipping over.
  • The tips of the triangles that pierce the vegetable were too small for the printer to handle, so this may need to be redesigned after testing.
  • Currently the tips are layered on the X horizontal axis. This may become an issue because they will see a torque force on the same axis, and will likely be the point of failure. If the part is printed on its side so the tips are printed vertically, then the force is perpendicular to the layers creating a stronger tip.
  • The design is slightly off center. This became apparent when I fitted the drill bit to my power drill. It did not rotate smoothly, this will be reviewed in the next prototype.


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