How to Make a Projector with a Glass Cup?

How to Make a Projector with a Glass Cup

How to Make a Projector with a Glass Cup? Do you ever feel as if you’re in a dark room with no light coming from the projector? Maybe it’s time to build your own projector! We’ll teach you how to create a projector out of a glass cup in this blog post. You can watch films and presentations anywhere you want with just a few materials and a few simple actions. Let’s get this party started!

Projectors are becoming increasingly popular because they provide an excellent method to enjoy films and presentations without needing to visit a theatre or rent a venue. However, they can be rather costly, and the quality of the projected image might vary substantially. If you want a cheaper solution that yet provides high quality, you may build your own projector.

Required Things

  1. Tape
  2. Glass Cup
  3. Some scissors
  4. Magnifying glass
  5. A white sheet or poster board

How to Make a Projector with a Glass Cup?

Step #1. Cut a Circle

Cut a circle the same size as the bottom of the glass cup out of the white sheet or poster board. This will be your display.

Step #2. Magnifying Glass

Tape the magnifying glass to the circle’s centre. The magnifying glass should be aimed at the circle’s centre.

Step #3. Cut a Small Hole

Make a small hole in the glass cup’s bottom. This is the projector lens.

Step #4. Screen Positioning

Place the screen on a level surface and place the glass cup on top, with the magnifying glass facing the screen.

Step #5. Apply Paint

Blacken the inside of the glass cup. This will help to improve the image quality being projected.

That’s all! You have now built your own projector. Watch films and presentations in a new light.

Also Read: How Many Lumens to Project in Daylight?

Pros and Cons of Making your own Projector

It’s less expensive than purchasing a commercial projector.
Making it can be time-consuming.
It can be used for a multitude of things, including watching films, giving presentations, and even showing artwork.To achieve the finest results, you may need to experiment in several ways.
You may make it as easy or as difficult as you like.
The image quality may not be as good as that of a commercial projector.
You have better control over the image quality being displayed.


Making a projector out of a glass cup is a terrific way to save money while also having more control over the image being projected. You may make your own projector in a few simple steps and use it for a multitude of reasons. We hope you found this post useful and that you enjoy using your new projector.

Also Read: How to Make a Screen for a Projector?

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