The short answer
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.
Watch the tour
edwartens.com
- Click 3D Lab
- Click Watch the tour
The tour and a walkthrough for each lab
Watch before you try, if you like.
The tour
Open 3D Lab and press Watch the tour.
Walkthrough for each lab
The same page has a walkthrough for each lab. Pick a lab to watch it. Each opens a watch page on lab.edwartens.com.
Videos inside the lab
A lab or level page may also show a short clip of the task. You do not need to watch anything to use the lab.
If a video will not play, see A video will not play.
Updated 22 October 2026
Related questions
- 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.
- 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.
- A video will not playIf the player keeps loading, your network is probably blocking YouTube: try another network or your phone's data. If the player shows an error, use Open it on YouTube.
- 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.
- 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.
- Is my 3D Lab work saved?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.
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