How Dexr creates XR lessons at scale
After more than a decade of experience in XR studios, we saw the same pattern: most custom XR projects delivered similar results, even after long and expensive builds. That showed us a simpler approach was possible. We started Dexr with that in mind and have focused our energy on a web-based, no-code editor that lets people create XR lessons at scale.
Our goals from the start
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Web first. Lessons open in the browser. Updates are as easy as editing a Google Doc. No installs, no heavy computers.
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Made for educators. Teachers and trainers can build lessons directly, without waiting on coders or game developers.
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Reuse saves time. The more content can be shared and reused, the faster and more affordable it becomes.
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State of the art technology. Today we have high-quality text-to-speech and real-time cloud sync across devices. We’re exploring generative 3D models and other emerging tech.
Here’s a quick look inside.
Reusable blocks
Events & Actions
Events in Dexr are like scenes in a play. They make things happen in the 3D world. Objects move, appear, or change so the lesson can move forward. We use them to respond to a learner’s input and to keep the experience flowing logically.
Some examples:
Event
3D characters with TTS capabilities
With a large library of text-to-speech voices and realistic 3D characters, it’s easy to build conversational scenarios.
Event
Smart objects
Interactivity can easily be assigned to 3D objects using our platform, like a valve that turns, something appearing or disappearing, or a light bulb that lights up. These interactions can be triggered as events to show the learner something new or to move the lesson forward.
Event
Push guidance
Text, images, video, or audio panels can appear before, during, or after any step in the lesson. This makes it easy to shape the narrative and provide what we call “push guidance.”
Dexr Actions are like the tasks in a video game, they define what the learner needs to do. Open a door, pull a lever, pick up an object. At each step, actions guide the learner’s progress and set the boundaries of what comes next.
Some examples:
Action
Interacting with 3D objects
As expected in spatial lessons, many options relate to 3D objects and how learners interact with them.
- Clicking on the correct part
- Combining two objects correctly
- Grabbing an object
- Placing it in the right position
- Selecting the right objects
- Cycling through different states
- ...
Action
Answering to questions
Even in spatial lessons, it’s important to mix interaction with reflection. Research suggests breaking up a chain of 3D interactions every 4–7 steps to prompt learners to pause and recall. This can be done through:
- multiple- or single-choice questions
- speaking tasks
- selecting the right dialogue option
- ...
Easy to use
Platform
The platform not only makes it easy to create lessons, it also makes it easy to use them live.
Feature
DIY editing
With the same login you use to access the XR lessons, we can also give you access to the editor we use. You can adjust the scenarios as often as you like without needing us in between. The content is yours, and you stay in control.
Feature
Realtime updates
Our Blender add-on, real-time libraries, and asset streaming make updates instant.
Whether a 3D model needs a missing button, a lesson step needs rewording, or you’ve switched devices, once an update is pushed, everyone sees the latest version right away.
Feature
Learner management & tracking
When lessons are published, you can invite learners to their own accounts and follow their progress. All sessions are stored so you can review and analyze performance at any time.
Effective learning
The LEAP framework
Our own proprietary framework provides a structured way to design spatial learning content that supports effective learning.
Learning Design & Delivery
Lessons are structured with clear goals, using multimodal and scaffolded support to encourage self-regulated learning.
Engagement & Motivation
Content using relevant stories, challenges, and game-like elements to keep learners involved.
Accesibility & Inclusivity
Content that is suitable for the learner’s stage, culturally inclusive, and encourages peer interaction.
Progress & Feedback
Learners receive timely, personalized feedback and guidance to improve step by step.
Content quality & Impact
Focusing on content accuracy, knowledge consistency and expert involvement.
Post-Play Scoring
Measuring learning outcomes such as retention, transfer, and performance to guide future improvements.
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