Contract Product Development

We turn concepts
into certified products

From medical devices to AI-native products — we handle the full journey. AI-powered workflows, persistent agents, and rigorous engineering from prototype to production.

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Concept & Feasibility·Prototyping·Design for Manufacturing·Regulatory Strategy·TGA & FDA Clearance·Production Setup·Supply Chain·Quality Systems·Concept & Feasibility·Prototyping·Design for Manufacturing·Regulatory Strategy·TGA & FDA Clearance·Production Setup·Supply Chain·Quality Systems
What We Do

Full-spectrum product development

We work across the full product lifecycle — from napkin sketches to shipped units. No stage is too early, no challenge too complex.

🔬

Feasibility & Concept

Technical feasibility analysis, regulatory pathway assessment, and concept refinement to de-risk your idea before major investment.

⚙️

Engineering & Prototyping

Mechanical, electrical, and firmware engineering. We build functional prototypes that prove your concept and attract funding.

🏭

Design for Manufacturing

DFM analysis, tooling oversight, and production process development to ensure your design scales efficiently and cost-effectively.

📋

Regulatory Strategy

Regulatory planning, technical file preparation, and submission management for TGA, FDA, CE Mark, and other global markets.

Quality Systems

ISO 13485 quality management system setup, DHF/DMR documentation, and audit readiness for medical device manufacturers.

🚀

Scale & Supply Chain

Contract manufacturer selection, supply chain setup, and production launch support to get your product to market reliably.

Case Study

Replacing toxic lead with precision-engineered tungsten composite

Radiation Oncology — eCutout™

Custom Electron Therapy Shields for 3D One

A Brisbane med-tech company came to us with a clear clinical problem: the traditional lead alloy shields used in electron radiation therapy are toxic, hazardous to handle, and expensive to dispose of. We helped design and manufacture a precision-engineered alternative — and validated it against the clinical gold standard.

6–18
MeV electron energies validated
±0.5%
Dosimetric equivalence to lead (LMPA)
2
Linac vendors supported (Elekta, Varian)
0
Toxic hazard — tungsten carbide is safe to handle

The challenge

Radiation oncology teams use custom-cut shields (apertures) to shape electron beams for targeted tumour treatment. The traditional material — Low Melting Point Alloy (LMPA, a lead compound — is toxic, requires specialised handling and disposal infrastructure, and can't be safely handled by clinical staff without protection. A non-toxic, precision-manufactured alternative was needed, but it had to match lead's shielding performance exactly to win clinical adoption.

Our approach

  • Proprietary Tungsten Carbide composite formulated to match lead's electron attenuation performance
  • 3D-printed plastic frame for geometric accuracy and reproducibility
  • Precision-formed apertures — tolerances held to clinical specification
  • Online ordering portal with custom GUI for offset, labelling, and orientation
  • Full dosimetric validation protocol against LMPA across all electron energies and applicator sizes
  • Pre-clinical testing conducted in collaboration with the Radiation Oncology Mater Centre, Brisbane

"The result is a product that's safer for clinical teams, better for the environment, and dosimetrically indistinguishable from the material it replaces."

How We Work

A structured, transparent process

We break complex projects into clear, manageable phases. You'll always know where we are and what's next.

01 — DISCOVER

Understand & Assess

We dig into your concept, constraints, and goals. We identify regulatory touchpoints and technical risks early.

02 — PLAN

Scope & Roadmap

We deliver a detailed project plan with timelines, milestones, regulatory pathway, and budget estimates.

03 — BUILD

Engineer & Prototype

Design, build, test, iterate. We run lean with frequent check-ins and design reviews.

04 — VALIDATE

Verify & Submit

Design verification, regulatory submission, and audit preparation. We manage the process end-to-end.

Engineering-first product development

ProtoPhysics was founded on a simple premise: the best products come from engineers who understand both the technical and regulatory landscape — and know how to navigate both.

We work with founders building their first hardware product, clinicians with a clinical need, and established companies looking for a reliable development partner. Our focus is physical products where quality, compliance, and manufacturing matter.

ISO 13485TGAFDA 510(k)CE MarkISO 14971IEC 62366DFMRapid Prototyping
30+
Products developed
12+
Years experience
5+
Regulatory submissions
100%
First-pass success

Ideas worth reading

Longer-form thoughts on AI, product development, and the future of hardware — written by our team.

↗ Read article

Agent Bridges: How to host a website at home in one prompt

Can an AI agent host a website on your laptop with a single sentence? We built two bridges — to domain registrars and Cloudflare — and the answer is yes.

Read ↗
↗ Read article

We just quietly passed the A.I Agent industry inflection point

GLM5 shattered the OpenAI duopoly. Minimax M2.7 at $20/month sealed it. Any small business can now run a powerful AI agent on modest hardware.

Read ↗
↗ Read article

Robot Dreams — What lies beyond AGI

AGI is already here. The frontier is now Persistent Intelligence Entities (PIE) — AI agents with memory, semantic recall, and reverie.

Read ↗

Passion projects, real products

ProtoPhysics is built by a team that ships. Here are two live products born from the same engineering-first mindset.

🏗️
Fencemate.ai
LLM-Arbitrated Escrow
LIVE

Smart contract escrow for neighbour fence disputes. An LLM acts as independent adjudicator — neighbours fund a contract, upload photos via vision AI, and payment releases only when both sides confirm satisfactory work. Eliminates conflict and upfront cash demands.

2 parties
Single smart contract escrow
Gemma 4
Vision AI for work inspection
Visit fencemate.ai ↗
🌉
Agieth.ai
Agent Bridge API
LIVE

API bridge that lets AI agents autonomously register domains, manage DNS, and provision Cloudflare tunnels — without browser access or human intervention. Pay with ETH, USDC, or USDT. Powers this very website.

Namecheap
Instant domain registration
ETH + Stablecoins
No credit card needed
Visit agieth.ai ↗
Ready to Start?

Let's talk about your product

Whether you're at the concept stage or ready to scale, we'd like to hear about your project.

[email protected]

Get in touch

Location
Brisbane, Australia
Time Zone
AEST (GMT+10)
We work with clients globally. While we're based in Brisbane, our clients span Australia, Southeast Asia, Europe, and North America. Remote collaboration is our default mode.

🗓 Free initial consultation

Send us an email and we'll schedule a 30-minute call to discuss your project, no commitments required.

⚡ Fast project scoping

After our call, we can deliver a detailed project scope and estimate within 5 business days.

🔒 Confidentiality guaranteed

All enquiries and projects are covered by strict NDA. Your intellectual property stays yours.