Voxel Viewer
Problem
When I visit my dentist, they often send me 3D renderings of my dental scans to my email. The problem is these scans are usually in a format that can only be opened with specific software, usually only for Windows PCs.
I wanted to be able to view these scans on my Mac, or on my phone/tablet in the browser.
Dental and maxillofacial CT exports often arrive as vendor-specific folder
structures. I used Codex to reverse-engineer these formats and build a simple web-based viewer for them.
Voxel Viewer solves that by opening supported study folders directly in the
browser, parsing them locally, building the volume off the main thread, and
rendering linked MPR slices alongside a 3D preview.
Features
This app is a side-project build for fun and learning. This is not a medical-grade software, and it should not be used for diagnostic purposes.
I built this project over a weekend to view my dental scans. So far it supports the following features:
- 📁 Open scan folders or a single DICOM file directly in the browser
- 🗃️ Supports popular MRP fomats (Sirona GALILEOS, OneVolume, DICOM)
GALILEOS folders with *_vol_0 and *_vol_0_###OneVolume exports with native CT_0.volDICOM slice folders or one uncompressed enhanced multi-frame .dcm file
- 🧊 3 axial slices (axial, sagittal, coronal) with linked crosshairs
- 🦷 Renders 3D model with intersecting plains
- 📱 PWA-ready, so you can install it on your phone or tablet
Demo
Here is a short demo of what this viewer in action:
https://github.com/user-attachments/assets/dec997b3-1226-479f-b6d1-ed4327fa3c3d
Usage
Your generosity will help me maintain and develop more projects like this one.
Tech Overview
Overall, this is a web-based app built with the following technologies:
- React, TypeScript - main framework and language
- Vite - build tool
- Tailwind - styling
- Three.js - 3D rendering
- Web Workers - background processing
fflate - compression, unzipping
Contributing
Clone the repository, install dependencies, and start the development server:
npm install
npm run dev
License
PolyForm Noncommercial License 1.0.0 © Denys Dovhan
[!NOTE]
Voxel Viewer is source-available for personal, educational, research, and
non-commercial use under the PolyForm Noncommercial License 1.0.0.
[!CAUTION]
Commercial use is not permitted without prior written permission from
Denys Dovhan. This includes use in paid products, commercial
services, clinical or diagnostic workflows, SaaS offerings, commercial
integrations, or other business purposes.
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