Heated Chocolate Pen

As part of a senior mechanical engineering design course at IIT my team designed and constructed a functioning prototype of a device that is used as a chocolate writing utensil. It features a heated chamber for the chocolate, a push button activation of a motorized plunger, and a digital user interface for temperature control.

View the project report below or CLICK HERE to download the PDF file.

MMAE432_AlphaPrototype_FinalReport

Electrical connection on final prototype to connect internal electronics to the control unit

Threaded rod mechanism of the first prototype that pushed the plunger mechanism

Successful extrusion with first prototype

Completed pen and user interface box

First prototype ready for testing

Successful extrusion with the final prototype using chocolate chips

Internal electronics ready to be encased in silicon

First prototype user operation (extrusion button under the thumb)

Internal electronics ready to be encased in silicon