Technical projects and insights.

Case studies and technical notes from hardware, CAD, electronics, firmware, and functional prototyping work.

Projects

Selected builds with constraints, design decisions, implementation notes, and measured outcomes where available.

Overnight Connector Harnesses for Survey Equipment

Six mil-spec connector harnesses reverse-engineered, built, tested, and ready for next-morning dispatch.

Six replacement connector harnesses were reverse-engineered from a damaged sample and completed overnight for urgent field survey equipment use.

2026-6-30

  • Wiring
  • Cable Harnesses
  • Electronics
  • Field Equipment
View Case Study

Filament Dry Box

Dual-spool filament dry box using a locally available K-Mart container

Dual-spool dry box design covering local part availability, bearing support, PTFE feed-throughs, and desiccant serviceability.

2023-10-30

  • 3D Printing
  • Filament Storage
  • Enclosure Design
View Case Study

Aquilawire VS.807

Voxelab Aquila X2 converted to a CoreXZ motion platform

Aquila X2 conversion covering CoreXZ motion, linear rails, probing, electronics layout, and measured printer performance.

2023-9-10

  • 3D Printing
  • Printer Modification
  • Klipper
  • CoreXZ
View Case Study

CYD Screen Case

Switchwire-mountable enclosure for an ESP32 Cheap Yellow Display

CYD screen enclosure covering mounting constraints, power routing, printability, and Klipper integration.

2023-3-27

  • 3D Printing
  • Enclosure Design
  • Klipper
View Case Study

Insights

Practical notes on materials, process choices, tradeoffs, and hardware development decisions.

Custom PCB vs Off-the-Shelf Module

Choosing the right level of hardware for a prototype or small product.

A practical comparison of modules, dev boards, wiring, and custom PCBs for real hardware projects.

2026-6-30

  • Electronics
  • PCB Design
  • Prototyping
Read Note

What to Prepare Before Asking for a Custom Electronics Quote

A practical checklist for turning a rough hardware idea into a quoteable brief.

The key information that makes a custom electronics job easier to quote, design, and de-risk.

2026-6-30

  • Electronics
  • Hardware Design
  • PCB Design
Read Note

Material Creep

Dimensional stability of common FFF materials under sustained load and heat

Creep behaviour in common FFF materials, with material selection and design guidance for functional printed parts.

2024-4-20

  • 3D Printing
  • Material Selection
  • Functional Parts
Read Note

Built or Bought?

Technical tradeoffs between DIY and commercial 3D printers

Comparison of build time, reliability, support, tuning effort, and control when choosing between DIY and commercial printers.

2024-4-16

  • 3D Printing
  • Printer Selection
Read Note

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