Every angle. Every layer.
Explore axial, coronal and sagittal CT sections. Move between the 3D model and the original image, with contrast tuned to the organ.
See beneath the surface. Explore how things connect. Get to know the extraordinary body that’s been yours all along.
Turn an existing CT into a body you can explore. Move from the shape of an organ to the structures inside it, and back to the original scan.
Stomach · surface renderingExplore your anatomy as a three-dimensional whole. Isolate a structure, turn it around, and understand where it sits in relation to everything else.
Explore axial, coronal and sagittal CT sections. Move between the 3D model and the original image, with contrast tuned to the organ.
Measure distances, adjust clipping planes, and reveal a structure within its surroundings. Go from the big picture to a closer inspection.
Save viewpoints, revisit your view history, and export images to help explain what you’re looking at. Manage your studies locally.

Explore the head, skull and underlying structures. Register a local photograph to your head model.

Explore organs, vessels, muscles and bones within the region covered by your scan.
A scan can hold so much information about you, yet still leave you struggling to understand what you’re seeing — or to explain what you’re feeling.
I made Body4D to help close that gap. To make anatomy easier to explore, difficult experiences easier to discuss, and our own bodies a little less unfamiliar.
When we understand our bodies better, we have more reason to appreciate them — and treat them with care.
That’s why I’m sharing it for free. Your ability to understand your own body shouldn’t depend on what you can pay.
The Nasal Lab explores the relationship between your anatomy, airflow and heat transfer — and why a nose that looks open may not feel that way.
Explore the Nasal LabBody4D starts with existing CT scans. These ideas are in development, and will be introduced as they’re ready.
Bring historical scans together to explore how your anatomy has changed. MRI support and scan time-lapse are planned.
Focused spaces to explore function and virtual what-ifs, beginning with the nasal airway.
Your existing scan. Your own anatomy. A new way to understand the body you live in, with processing that stays on your Mac.
Body4D is an exploration tool, not a medical device for diagnosis or treatment. Scan coverage and quality affect what you can see. Use only medically indicated, existing scans.
Free for everyone. The first public release is on its way.
The installer will be available here at launch.
Start with your existing CT’s DICOM files: one supported axial series. Optional organ-recognition models install once, then process locally. Includes 10 interface languages.
Questions, feedback, or a research collaboration? I’d love to hear what a better understanding of your body could mean to you.
Body4D is shared freely because understanding your own body should be within everyone’s reach. If you’d like to support its development, a donation option is on the way.