Latest Packet39 Articles

I gave a talk about AR and VR in the Nuclear Power industry

Smartphone vs DSLR photogrammetry comparison

Intro I’m a big fan of Photogrammetry. I use it for fun and as part of my business (I’m a VR/AR developer). I often run into objects that I would like to scan and sometimes I don’t have a nice big camera with me, so I use my smartphone. I’ve always wondered if those smartphone …

3D Scanning the National Gallery of Bulgaria

Back in December 2019 I had the honor and pleasure of collaborating with the National Art Gallery of Bulgaria (NAG), and 3D scan a few of their exhibits. The NAG, located in Sofia (Bulgaria’s capital), is a wonderful museum with a surprisingly wide range of art pieces and sculptures. The scans were done using a …

I designed the 3D printed the Royal game of Ur

If anyone wants the files, you can download them here: https://www.youmagine.com/designs/the-royal-game-of-ur

Pico Neo 2 Eye review

Introduction In this blog post I will review the new Pico Neo 2 Eye VR headset, which is currently the only standalone VR headset with integrated eye tracking. My name is Shachar Weis and I’ve been a software developer and entrepreneur for 25 years. I own almost every VR and AR headset on the market …

A Primer on 3D Scanning & Photogrammetry

We often use 3D scanned objects and environments in the VR applications we develop, so I thought I’d write a primer on how to get started with Photogrammetry. What is Photogrammetry Photogrammetry is the science of making a 3D model from photographs. The input are regular 2D photographs, and the output is a 3D model …

How I 3D scanned the Treasury at Petra without leaving home

After reading a random article about the Petra Treasury, I felt a strong urge to 3D scan it (it’s both my hobby and profession). I decided to do an experiment. How to 3D scan an ancient structure on the other side of the world without leaving home: Step 1: Run google image search for “Petra …

The VR Fragmentation Nightmare

VR has entered the fragmentation era. It’s going to be a doozy. Lets see what we have as for Jan 2019. Degrees of freedom or DOF DOF means Degrees Of Freedom, the number of different “directions” that an object can move in 3D space. I explain DOF in detail here. Right now we have headsets …

An overview of roomscale tracking technologies – Oct 2018

Some will argue (and I am one them), that the best feature of VR is roomscale. The freedom to move around and explore your virtual surrounding contributes to the sense of presence and agency, which really sets VR apart from any other media. This is often referred to as 6 degrees of freedom (or 6DOF). …