Skip to main content

Screen print photos onto textiles using Lumi app, dye, and sunlight

Image used with permission by copyright holder

Remember CafePress? Back in the day, whenever you wanted a custom print T-shirt, you’d have to consult sites like CafePress or Zazzle to help you create shirts with your own graphics and words. The less amount you ordered, the more expensive it would be for you to pay for just one shirt. Lumi is a Kickstarter project that wants to put the power of textile printing in your hands. Using your smartphone apps and a few equipments, you can get a custom print on various fabrics with just the power of sunlight.

The Lumi Process goes something like this: Take a picture with the free Lumityper app and convert it into a black and white negative photo. With the starter package, you will receive an 11 x 17-inch (A3) size copier film to take to your local copy store and print the negative. After the print is done, lay the film over a piece of fabric you want the print on and dab on the special dye. Leave it out in the sun until the dye changes color, toss your garment in the wash with another special detergent to stop the dye from working, and you’ve got a custom print apparel made right in your own home. The processing time in the sun will depend on how strong the sunlight is though the print will still work under cloudy weather.

According to the project’s Kickstarter page, the special Inkodye can bind to any vegetal or animal fiber, such as cotton, silk, and wool. After you’ve successfully printed the photo, the color will not wash out despite repeated machine washes. The dye is also sensitive enough to print on delicate fabrics like silk, which ordinarily isn’t a typical custom print garment choice due to its inability to withstand high heat settings.

The Lumi Process printing also works on more than just your average textiles. Other uses include printing on wood and suede leather for your experimental purposes, or covering an material in dye and leaving items on top to create shadow screen prints. Though the Kickstarter kit comes with just three original colors (red, blue, and orange), users are also encouraged to mix the dyes up for their own selection of hues.

The Los Angeles-based Kickstarter project is not currently fully funded at the time of publishing, and still needs roughly $12,000 before the end of the month to get started. If you want a complete set to start your own Lumi-dyed shirts, you will have to contribute the minimum of $75 for a full starter kit. If you are into DIY projects, this screen printing kit might just be the summer activity for you.

Watch the video below to see the introduction to Lumi, and how to process a print sans expensive equipments.

Natt Garun
Former Digital Trends Contributor
An avid gadgets and Internet culture enthusiast, Natt Garun spends her days bringing you the funniest, coolest, and strangest…
The 5 best office chairs for long hours in 2024
The Verve in an office.

When you spend half (or more) of your day in an office chair, a $50 budget-buy store brand isn’t the kind of purchase you should be making. Not only are these cheap items more likely to break down over time, but there’s a good chance this kind of chair isn’t going to have the elevated support features your body needs. That’s why we’ve put together this list of the five best office chairs for long hours in 2024.

Each of these models are tailor-made for those of us who need a comfortable chair that feels good all day. We’ve also made sure to include a couple of options for folks who experience back pain, shoulder strain, and other sore conditions.

Read more
Matter gains support for kitchen appliances, adds new energy-tracking features
The Matter logo on a colorful background.

Matter received its big 1.2 update in late 2023, and now the Connectivity Standards Alliance (CSA) is ready to officially roll out Matter 1.3. The latest version of the interoperability standard is now available for use, offering added support for appliances like microwave ovens and lclothes dryers, while also introducing new features for water and energy management.

The full list of new device types supported by Matter 1.3 include microwave ovens, ovens, cooktops, extractor hoods (such as vent hoods), and laundry dryers. These aren't quite as exciting or mainstream as the nine device types introduced with Matter 1.2, but it's great to see the CSA continuing to broaden the reach of the Matter network.

Read more
Best Ring deals: Save on Ring doorbell and Ring alarm bundles
Ring Video Doorbell 3

Ring is probably one of the most well-known brands and one of the best video doorbell brands on the market, so it would make sense if you want to get yourself a Ring camera, especially if you're in the Amazon ecosystem. Luckily, there are a lot of options out there, whether you want a doorbell or a floodlight, and while not all of them have deals, you can always find something refurbished or in a bundle that should save you a bit of cash. That's why we've gone out and collected the best deals we could find for various Ring product and collected them below.
Ring Stick Up Cam Battery (refurbished) -- $58, was $90

The Ring Stick Up is a good security camera for indoors or outdoors. It can go almost anywhere, and allows you to hear and speak to people on camera from your phone or tablet. You can customize the motion sensors to focus on specific areas of your home, and it has a Live View that allows you to watch over your home in 1080p Full HD resolution at any time. It even works with Alexa, allowing you to hear audio announcements when motion is detected. The Ring Stick Up sets up in minutes and it charges easily with a removable battery pack. This is a great option if you’re looking for something capable but versatile.

Read more