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May 2016 - June 2017 I had the pleasure of working with Product Design Professor Beth Esponnette, and Chemist Casey Check, on research for my Robert D. Clark Honors College Thesis. I am proud to have passed my thesis defense with distinction, and to have been awarded the Interdisciplinary Thesis Award at the 2017 Honors College Commencement Ceremony.


3D printing offers advantages in customizability, sustainability, cost reduction, precision, and accessibility over traditional manufacturing processes. The limitation of printable materials, however, is still a major barrier preventing 3D printing moving from prototyping to producing final products. My thesis addresses the need to be able to 3D print thermosets (more robust and customizable polymers). The main objectives of this project were to develop a new system of 3D printing to allow for additive manufacturing with rubbers, and to design a product dependent on this method for production that would utilize the resultant ability to manufacture new complex structures in rubber.

STEP 1: printing proof of concept tests by hand

STEP 1: print proof of concept tests by hand

Experimenting with two part silicone and polyurethane prints with varying support materials and sulphur as an inhibitor


Selectively curing liquid latex by printing with a vinegar solution


Developing different ways to mix the vinegar and latex while printing


Printing structures with just latex


Tensile strength testing


Finding a compatable support material


STEP 2: selection and purchase of a 3D printer machine

STEP 2: select and purchase a 3D printer machine

High Reliability - Low Maintenance - High Uptime

  • Works with all Hyrel print heads, allowing it to work with numerous materials

    • filaments, liquids, gels, etc.​

  • Can use multiple heads (with different materials) in the same print

  • Extremely customizable

  • Operated by tablet, allowing gcode revisions on the go

  • Heated bed and cooling fan options

STEP 3: showcase this new manufacturing process for rubber through design

STEP 3: showcase this new manufacturing process for rubber through design

Inspiration: Patagonia's natural rubber wetsuit

Objective: Design a 3D printed rubber wetsuit material that will perform better and be more sustainable than traditional neoprene wetsuits

Theory: 3D printed structures would have the ability to trap more air in more regular patterns opposed to traditional neoprene, and as a result could offer better thermal insulation properties with thinner material


  • neoprene material properties

  • wetsuit manufacturing

  • other innovative insulation solutions for wetsuits

  • interview a surfer 

CAD: try printing different options and test which one works the best

STEP 4: practice and refine printing the CAD file by manipulating gcode

STEP 4: practice and refine printing the CAD file by maipulating gcode

STEP 5: write a paper for the Journal of Additive Manufacturing

STEP 5: write a paper for the Journal of Additive Manufacturing

When I graduated in June 2017, I handed off my work to graduate students in the Material Science Institute Graduate Internship Program to work on over the summer. Their job will be to continue overcoming some of the issue we ran into such as optimizing speed and flow rate by monitoring the following variables:

  • Material type

  • Extruder/print head

  • Flow rate from extruder

  • Temperature (of print head, and print bed)

  • Nozzle diameter

  • X-Y speed

  • Z height

Due to unexpected challenges programing the printer, I did not complete testing the insulation properties or tensile strength of the different patterns I created, so the graduate students will be addressing these as well. The journal article will instead cover what we have learned so far about developing a method to print with latex and finding Poly(tetrahydrofuran) as a compatible support material. The current plan is to write and submit the article in August 2017 (stay tuned for publishing updates). My hope is that this research will serve as a foundation to inform and inspire others to build off of in the future. 

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