Giselle Onofre
Mechanically Blooming Flower
Mechatronics Fall 2019

Skills: Mechanical Design, CAD modeling, Programming

At Rowan University, as part of my Mechatronics 2019 course, my team and I were given the creative freedom to choose our own project. This project was an intersection between two of my interests: environmental sustainability, and art. The project was inspired by Jiri Praus's 'Ever Blooming Mechanical Tulip'. My team and I were all really intrigued by this intersection between engineering and art since the majority of our projects are usually made to fulfill some sort of function. Rather than using wire sculpting as our medium, I created a SolidWorks model of a blooming flower and 3D printed each part for simplicity. Overall, I'd have to say this is my favorite project I've done thus far at Rowan. My future plans for this design are to downsize it in order to reduce printing time and material costs.
Flower Render
SolidWorks Modeling & Assembly
For the design phase of this project, I researched various mechanical blooming mechanisms before I settled on a pushing rod mechanism similar to the one Jiri used. To actuate my design mechanically, I created a center piece containing a hex nut that could travel up along a threaded rod. The rod is connected to a servo motor via a motor adapter piece. It was daunting translating the design into SolidWorks due to the dimensional accuracy necessary for the petals to close flush and to open fully via the pushing rod. But I was able to develop a simple method of creating a symmetrical petal shape in SolidWorks (plus placing all my components in an assembly allowed me to troubleshoot any issues).
Flower Art
Flower Art
Flower Art
Art Meets Engineering
The team and I could have called it a day after we 3D printed the flower parts... but what's the fun in that! After assembling the flower, my teammate and good friend Sara had the brilliant idea of making the flower look life-like by sleeving the 3D printed petals with fabric petals from JoAnn's Fabrics. We placed the flower in a painted shoebox to mimic the look of a planter box. The planter box also served the duel purpose of housing all of our electronic components. Between the electronics and the flower, was a styrofoam layer that we painted brown to mimic the look of dirt. We also added an additional non-blooming garden alongside the central flower.
Flower electronics
Putting the Tronics in Mechatronics
The project would have been kinda boring if we just twisted our threaded rod manually. Plus we'd be missing the 'Tronics' portion of a mechatronics course. Actuating the flower was simple once the design was done. I attached a stepper motor to the motor adapter piece and programmed the stepper motor to turn the flower into its open and closed position when an Ultrasonic Sensor detected motion in its surroundings. We also programmed a speaker to begin playing the 'Howl's Moving Castle Theme' song once the flower began blooming by programming each individual note. For a dash of pizzazz, we added in some extra LED's amongst the non-functioning flowers to create an LED flower garden.