Research & perspectives
Research, inventions, and conversations about materials and manufacturing.
Doctoral thesis · 2020
Andrew Christopher Finkle · University of Waterloo
Formulation and processing of cellulose nanocomposites for electrospinning and additive manufacturing.
Master’s thesis · 2011
Andrew Christopher Finkle · University of Waterloo
Cellulose reinforcement in polycarbonate, including thermal stability, processing and mechanical performance.
Journal article · 2012
Andrew C. Finkle and Leonardo C. Simon · J-FOR 2(6), 17–23
Electrospinning of polycarbonate nanofibres reinforced with nanocrystalline cellulose.
Three invention families from my work at Structur3d Printing. Listed as historical grant and publication records, with my contribution as co-inventor.
Published US patent application
US20210379802A1 · December 9, 2021
Co-inventors: Charles Mire, Andrew Finkle, Trevor Smale
Cartridge-fed injection moulding with controlled filling, mixing and pressure feedback.
Granted US patent
US10987845B2 · April 27, 2021
Co-inventors: Charles Mire, Andrew Finkle, Marc Castel
Cartridge-based extrusion with controlled material flow for printing a range of viscous materials.
Published US patent application
US20190134905A1 · May 9, 2019
Co-inventors: Charles Mire, Andrew Finkle, Amir Solowiejczyk
Controlled mixing and extrusion of multiple material components during a 3D-printing process.
Voltera · Partner webinar recap
May 3, 2026 · By Shuxuan Jiang
Andrew featured as guest and Q&A respondent
A recap of Voltera’s webinar with Andrew on NanoPaper substrates, printed touch sensors and RFID circuits, including questions about material selection and process development.
Related coverage · NanoPaper
World’s first printed force sensor on compostable NanoPaper ↗
PRO Flextronics / M2N Media · January 14, 2026
Reports the planned NanoPaper force-sensor demonstration at nano tech 2026 and the material’s move from research samples to commercial availability.
World's first printed force sensor on compostable NanoPaper ↗
Waterloo Institute for Nanotechnology, University of Waterloo · Publication date not established
Describes the collaboration between Tangho, Yamagata University and the University of Waterloo behind the NanoPaper force-sensor demonstration and commercial launch.
Chemical Institute of Canada
July 2015 · By Roberta Staley
Explores how new materials are expanding 3D printing, featuring Andrew and Structur3d’s approach to soft-material extrusion.
Disruption Magazine
Publication date not established · By Breanna Mroczek
An interview with Andrew tracing Structur3d’s development from Discov3ry to Inj3ctor, and its vision for more flexible, on-demand manufacturing.
FastCo
June 11, 2014 · By Steven Melendez
Andrew explains why Structur3d focused on an extrusion add-on, expanding existing printers into flexible materials and edible demonstrations.
Automation World
March 16, 2021 · By David Greenfield
How Structur3d and Stanley Black & Decker combined 3D-printed molds with desktop injection molding to make custom rubber components in production materials.
Design News
January 31, 2021 · By Dan Carney
Andrew discusses the development of Inj3ctor and the challenge of accurately mixing and dispensing rubber materials for functional parts.
TechCrunch
June 11, 2014
Introduces Discov3ry as an add-on for existing 3D printers, using food pastes and silicone to illustrate its wider material range.
The complete collection of 78 historical media entries, from 2014 through 2021.
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