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Sterling R.

Sterling R.

Prototype Engineer | CAD Design | 3D Printing

I help startups, inventors, and businesses turn ideas into functional, real-world prototypes through mechanical design, electronics integration, and rapid prototyping. From early concepts to production-ready designs, I focus on building practical, manufacturable solutions that are engineered to work in the real world. My background is in Mechanical Engineering with a specialization in Aerospace, which gives me a strong foundation in structural design, system-level thinking, and engineering under real-world constraints. I combine CAD design, 3D printing, embedded systems, and hands-on fabrication into complete prototype development workflows. I specialize in Fusion 360 CAD modeling, custom mechanical systems, and electromechanical product development, with a strong focus on design for manufacturability (DFM) and design for additive manufacturing (DfAM). I also have experience developing systems that integrate mechanics with electronics, sensors, and control systems. I have experience developing: • Functional mechanical prototypes and aerospace-grade structures • 3D printable and manufacturing-ready CAD models (FDM, SLA, injection molding) • Embedded systems and microcontroller-based products (Arduino/ESP32) • Custom actuator and motion-control systems and mechanical linkages • Prototype enclosures and integrated electro-mechanical assemblies • Products optimized for rapid iteration, testing, and real-world use I approach every project with a strong focus on problem-solving, rapid iteration, and clear communication. I am especially comfortable working in fast-paced environments where concepts need to be quickly translated into physical prototypes, tested, and refined. Whether you need help refining a concept, building a working prototype, designing mechanical components, or developing a complete proof-of-concept system, I can help bring your product idea to life efficiently and professionally.

🇨🇦Kelowna, Canada$40/hr100% JSSSince May 2026

Earnings and projects

MRR
$879

Last 6 months ÷ 5.3 months active (since May 2026)

World#53,830 / 412k
🇨🇦Country#862 / 7,134
Revenue, last 30 days
$0

Last 6 months: $4.7k

Total earnings
$4.7k

Billed in all: $4.8k

World#259,299 / 412k
🇨🇦Country#4,558 / 7,134
Per project
$948

$1.2k in the last 6 months

World#128,022 / 412k
🇨🇦Country#2,339 / 7,134
Projects, last 6 months
4

Across 6 contracts

100% fixed0% hourly
World#51,815 / 412k
🇨🇦Country#798 / 7,134
Projects in all
5

Across 7 contracts

100% fixed0% hourly
World#266,044 / 412k
🇨🇦Country#4,681 / 7,134

Earnings, last 30 days

$4.8kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$4,750$4,800$4,850$4,900Oct 9Oct 24Nov 8

Skill rankings: Top 10% in Neural Network

Ranked by MRR among everyone on Upwork with the skill.

  1. #14Aerospace Engineering101 freelancers · 🇨🇦 #1Top 14%
  2. #17Simulation Game112 freelancers · 🇨🇦 #1Top 15%
  3. #50Neural Network501 freelancers · 🇨🇦 #2Top 10%
  4. #61Prototype Design480 freelancers · 🇨🇦 #2Top 13%
  5. #67Electronic Design352 freelancers · 🇨🇦 #2Top 19%
  6. #215Design for Manufacturing1,107 freelancers · 🇨🇦 #6Top 19%
  7. #216PCB Design1,232 freelancers · 🇨🇦 #8Top 18%
  8. #2443D Printing1,922 freelancers · 🇨🇦 #9Top 13%