How to Make a Short-Throw Projector in 2021

short throw projector

Technically short-throw projector is not a new thing. It is a heightening segment of the projection market. Joining lenses Short throw projectors can display much bigger images from shorter separations.

If you intend to perform video projections directly, short-throw video-projectors can be the most natural solution. Sometimes you may find only 100-inches at a distance of around 4-5 feet.

But you may find this expensive enough if when you’re expecting high light-power. With a lot of research and tests, we are providing you two easy ways regarding how to make a short-throw projector.

Guidelines – How to Make a Short-Throw Projector

short throw projector

What is a Short-Throw Projector?

Projector display screen at a certain distance. In a smaller room, a Short throw projector offers a big-screen experience.

Basically, the throw ratios are around above 1. But a short-throw projector has a ratio down to about 0.4.

You may fit an 8-foot screen with the projector minimum 3.5 feet away less than 0.4 throw ratio is in Ultra-short-throw projectors.

Make a Short-Throw Projector with Your Regular one:

With the mirror, we have done our research. It is exciting but less practical to adjust & use, and too delicate to move.

Don’t worry; the solution is simple. You find a way how to change and fix a kind of wide-angle lens in the point similarly to your video projector’s light field.

Follow the listed steps

Step 1: What is Essential?

A converter for wide-angle.

A 15x15x~300mm aluminum pipe.

some bolts and screws

A 3D printer.

Step 2: Enable Video Projector to Encounter the Lens Support

it is impossible to make a common way that matches all projectors among different types of video-projectors.

We are showing you our technique to fix the aluminum pipe. Use your ability and creativity to find a path to have the same result.

As support under the projector, you may utilize a wooden board. With that, you can hang the projector. Use this support to fix the aluminum pipe on it.

Hardware components can also be used instead of wood. Be careful to check the pipe must be in line. Keep pipe alignment straight as possible with the objective of the projector.

Step 3: Print 3D Parts

For a successful installation, we use three different parts. In the beginning, the components may seem quite massive.

Don’t apply too much torque on screws; it may break. You can increase the size.

The framework must be strong enough to oppose the fast controls, also inflexible sufficient to permit a long installation at least 8 hours.

Base support: create contact between the support and aluminum pipe. It let the lens to be walked away and upgrade the vertical position concerning the projector lens.

2. Spacer: permits adjustment of the lens stature on a vertical pivot.

3. Lens support: clips the lens and permits to adjust the lens’ tendency.

Step 4: Assemble the System

All bolts & screws are metric M6. Don’t hesitate to modify to have a more compact framework.

You can allow plastic handles if you need them. Business screws may not have the correct length to fit properly. So, you can choose the perfect size of supports to fi.

In case of utilizing the multiple lenses, you can pre-mount the lenses on the support to have a quicker can easily identify the model of the lens support by utilizing different plastic colors.

Step 5: Calibrate and Enjoy

Once the system is done, you test use adjustments by placing the lens on different sides.

From a professional perspective, this system could not replace a real short-throw video projector; but it can save your time.

Short Throw Projector Based on a Smartphone:

Construct a short-throw projector by using your smartphone.

Step 1: The Lens

Take a shoebox or heavy cardboard & use a fresh lens. To get the middle of the short side of the box, Utilize a straight edge. You marked around the lens & cut all layers.

With double-sided tape, first, mount the lens.

Step 2: Cynosure

Make a stand for your phone to keep. & to find an in-focus picture from the lens. Our suggestion is that take a nut led screw then create a hole in the back of the box. Tight the supports with double-sided tape.

To create an excellent focus knob, you can use a motor coupler.

Step 3: Mount for the Phone

You should create a mount for the phone as it gives

Proper support of the phone

Help to keep a power bank

Connect your phone with a slider block.

With hot glue, all things must be mounted.

Step 4: Software

You are now so close to getting a working projector. TABLET REMOTE is an excellent app for android device remote control. Install this app, both your personal and working devices.

By pairing Bluetooth, you may run the app. Now control volume keyboard and brightness control easily.

Step 5: Make a Test

Let’s test your screen against a wall. Prefer a white or cream color paint wall. You can also focus it at different size may be up to 36″. But 30″ will be best.

Step 6: Cover the Box

Give a decent look to the box by covering it with colorful paper.

Step 7: Add Sound

Although smartphones speaker is best but will get worse into the inside of the box. Use any passive speaker USB powered to add sound.

Fix speaker at the back of lid & mount with double-sided tape. Then make a circle the size of the speaker itself.

Perhaps you may find less brightness low sound, which can deplete your battery.

Anyway, from our point of view, this solution is a reliable, unbeatable quality and price ratio. It also has an exciting possibility in terms of video projection. On another point of using your smartphone to make a short-throw projector is a simple and timeless way to enjoy yourself.

FAQ: Frequently Asked Questions

Q: Can I make a Short-Throw Projector with my Laptop?

Ans: Yes you can make a short-throw projector with your laptop.

Q: How far a Short-Throw Projector Goes?

Ans: N aturally a short-throw projector goes  3 to 8 feet away.

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