The short answer
Yes. If you are signed in, your work is saved to your account for each level. If you are not, it is kept on this device and moves to your account when you sign in.
Where your work is kept
| Detail | Signed in | Not signed in |
|---|---|---|
| Saved to | Your account | This device |
| Other devices | Yes | No |
| Test results recorded | Yes | No |
| Report download | Yes | No |
Signed in
- Saved to
- Your account
- Other devices
- Yes
- Test results recorded
- Yes
- Report download
- Yes
Not signed in
- Saved to
- This device
- Other devices
- No
- Test results recorded
- No
- Report download
- No
The lab saves as you work. The bar shows the state, for example Saved on this device or Saved.
Signed in
Your work is saved to your account, one saved project per level. You can continue on any phone or computer by signing in.
Not signed in
Your work stays on this device and this browser. When you sign in later, the work from the device moves to your account. It does not follow you to another device until you sign in.
Test results
A result is recorded, and a report can be downloaded, only when you are signed in.
Tips
- Sign in before you start if you want to carry on elsewhere.
- Use the same browser if you are not signing in.
- If you see that your lab sign-in has expired, sign in again to keep saving to your account.
Updated 22 October 2026
Related questions
- How do I open the 3D Lab?Go to the 3D Lab page and press Start a free lab. It opens lab.edwartens.com, where you pick a lab and a level. You can start without an account and sign in free to record your results.
- Where do I see my lab results?Open EDWartens Lab in your student menu to see My lab work: where to continue, your progress and the levels you have passed. Results are recorded only when you are signed in.
- How do the lab levels and the acceptance test work?Each level starts with a brief, you do the job in 3D, then a factory acceptance test checks your work against the brief. It lists every check, and you can fix what failed and run it again.
- What is the 3D Lab and is it free?The 3D Lab is a set of engineering labs that run in your browser: wire a panel, write PLC logic, teach a robot, tune a loop and more. Opening a lab, doing the levels and passing the test are free.
- Does the 3D Lab work on my phone or in my browser?Yes. The labs run on phones, tablets and laptops in a recent Chrome, Edge, Firefox or Safari. A laptop or large tablet is easier for wiring and ladder logic, because you have more room.
- Where can I watch the lab videos?The 3D Lab page has a tour video, and each lab has a short walkthrough on lab.edwartens.com so you can see what you will do before you start.
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