Most of the time, the problem started way before you ever hit print. It started with the file itself. That means the key to figuring out how to make DTF transfers that don't crack or peel happens at the design level.
Almost everyone assumes it's about the printer or the press settings. But the truth is, the DTF file prep is the biggest factor in whether your transfer feels soft or stiff and plasticky - and whether it lasts wash after wash or starts cracking after a few wears.
In this tutorial I'm going to show you exactly how to make a clean, soft, print-ready DTF file - the kind that works on ANY DTF printer and any color garment. I'm going to show the secret to the part most people get wrong, which is the file prep itself.
This is a sponsored post, but all opinions are my own.
This tutorial is focused on file prepping your print ready DTF file. It's NOT about designing and it's not even about printing, powdering, curing, and pressing.
What makes a DTF file actually "print-ready"?
A true print-ready DTF file has a few specific things going on - ideally unnoticed - and if any one of them isn't done correctly it will be super obvious in the final transfer.
Here's what your DTF file needs to have:
A truly transparent background. This is the big one. Your design needs a transparent background - not a white one that just LOOKS transparent on your screen. If there's a hidden white box behind your design, your printer will print it, and you'll get a faint rectangle around your transfer.
High enough resolution (300 DPI). DTF prints show every flaw, so your art needs to be high resolution - 300 DPI at the actual size you're printing. Pull a tiny low-res image off Google and blow it up to 11 inches and it's going to look fuzzy and pixelated on the shirt.
A proper white layer (underbase). Here's something a lot of people don't realize - DTF prints a layer of white ink underneath your colors so they pop on dark shirts. Too much white ink is one of the biggest reasons a transfer feels heavy and stiff. Managing that white layer is a huge part of making DTF transfers feel softer.
Not too much ink. The more ink you lay down, the thicker and stiffer your transfer gets - and the more likely it is to crack over time. Reducing ink in the right spots (this is where half toning and color knockout come in, and I'll show you) keeps your transfer soft and flexible.
The right file type and size. Finally, you need to export it correctly - the right file format, at the right dimensions, with that transparent background intact.
Here's the catch: the design tools a lot of people already have can't actually do all of this.
Why Canva and Photoshop fall short for DTF
If you're thinking: "but I already make my designs in Canva!" Or "Silhouette Studio can do all this." I LOVE both Silhouette Studio and Canva. I use them all the time.
But Canva and Photoshop are general design tools built to make graphics look good on a screen - not to prep a file for DTF printing. Silhouette Studio is designed for cutting files and includes some printing features - but not those needed for ideal DTF file prep.
None of these handle the white layer. Neither Silhouette Studio, Canva nor Photoshop gives you anyway to see or control how much white ink is going down. That's half the battle for soft transfers.
There's no way to quickly do color knockout. Yes, it's technically possible in Silhouette Studio with trace by color and the modify tools - but for DTF prep specifically it's honestly not ideal.
And there's no real half toning. Canva has a halftone "effect" - that Dot Filter under the photo effects. But if you actually use it, you'll notice that's a halftone look, not real DTF half toning. It turns your whole image into a retro comic-book dotted style. It can't reduce ink on specific colors, it does nothing for your white layer, and it won't make your transfer feel any softer. It's basically a vintage filter, not a print-production tool.
So...to make a genuinely print-ready DTF file, you need a tool that was actually built for DTF. Sometimes it's those hidden-gem, purpose-built tools rather than the tools with all the bells and whistlesthat not only save you time, but also give you the exact features you need.
I recently started using OneKlik for DTF file prep (and it actually works for white toner file prep too). Now, before I show you how and why this browser-based DTF software is now pinned to my bookmark list - I will admit, it's a little more than "one click" to prep your files.
How to make DTF transfers softer in OneKlik
You're going to start by going to OneKlik in your browser. It's free to get started (and I have a special discount code for you to save more at the end of this post so keep reading) and you'll even be able to export your first few DTF files free.
Once you're in the dashboard click Create New Design.
The canvas size will adjust based on what you pick but you're not locked into that. This is just for the canvas size so you can always adjust your DTF transfer size later. Don't overthink it here.
Now in the left tool bar - there are five tools. We're only going to focus on two in this tutorial. First, click the upload button and upload your artwork. I am using this full color PNG file from So Fontsy.
This file could be printed on a DTF printer straight after download. And if it was - it would include a solid round layer of white ink (right below). THAT is the exact formula for DTF transfers that are not soft.
So instead let's run this file through our DTF file prep software so it prints like the transfer on the left above.
Once the file is in the OneKlik canva, click the tool that looks like a little broom in the left sidebar. That's the only other tools we're going use to prep this file exactly how we need it.
Now you'll get a "DTF Adjustment" sub menu and we're going to work down top to bottom.
Remember how we said the file needs a transparent background? We'll check that first by clicking "Checker background". This will confirm that the file doesn't have a big white square around it. Uncheck that box once you've confirmed and continue down the list.
Next we are going to set the color of our shirt. I'm going to use a black shirt so I'll set the "background color" to black. My image is now on a black background giving me a nice preview of what the transfer will look like on a shirt.
The next two options "Color Knockout" and "Halftone" can be used in combination or separately and this is where the magic is going to happen. These are the keys to making DTF transfers soft and OneKlik has managed to keep them extremely simple yet effective.
Should I use Color Knockout when prepping print-ready DTF files?
Color Knockout completely removes a color in your design allowing the color of the shirt to show through and act as that color. In the areas where the shirt is going to show through, no color or white dtf ink is laid down at all.
Color knockout is a great way to reduce the amount of ink in a file, however there are only two times you want to use color knockout:
- If the color of your garment is also in the color of your artwork (doesn't pass with our example - black background)
- If you're willing to substitute a color in the design for the color of the shirt
In the second situation, an example would be - if I was putting this image on a white shirt or canvas bag and I was willing to replace all those cream-colored areas in the design with the white shirt or bag. Here's what it would look like using color knockout.
Now the benefit of this is not real obvious until you click "Preview White Layer".
The white you see here is the only areas of your transfer that will have any ink and powder. All those black areas represent where no ink will print and instead the color of the shirt will show through. That is exactly how you make DTF transfers softer by giving them room to breathe.
Without the color knockout you'd be printing a DTF transfer with a solid white base - that's a lot of white ink that's prone to cracking because it has no room to breathe.
But when you apply the color knockout, look at the difference. The left transfer being printed has a color knockout applied in OneKlick, the right does not.
And here's what that transfer looks like applied to the garment. The white fabric shows through where the design originally had white and cream.
Using Halftone to make better DTF transfers
Halftone is the next tool down the list in OneKlik and it's what you're going to use if knockout isn't an option OR in combination with knockout.
The file itself will also determine if it's a good candidate for half toning. Half toning an image with large solid colored areas, like our American design, may not give you the look you're really going for. You can see here it doesn't look very good because the dots are too obvious.
Halftone can be highly effective though if your design has gradients and areas of faded color like this Glamping design.
What halftone does is it uses the color of the shirt or garment AND the color of the design in combination to reduce the density of the ink and naturally create more empty space.
If you looked at the DTF file up close after halftone effect is applied, it would look like a newspaper photo made up of tiny little dots.
In our second example we have a black shirt and a design with some solid black areas and then a lot of different gradient areas.
NOTE: As you move through the halftone settings, it is important that you are constantly using that Preview White Layer check box (on and off) to look at how the selections you're making are changing your transfer.
One thing to keep in mind before you begin is there's not going to be a standard set of "settings" that works for each design because half toning effectively depends on the design itself.
Since this design has solid black areas in it and we're using a black shirt, I'm going to combine knockout (the black areas) and halftone (the gradient areas).
Here's what the design and the white layer look like in Oneklik before any DTF optimization effects are applied.
Start by setting the color background and knockout color both to black. The key here is you want the knockout color tolerance as low as possible so that ONLY the solid black areas are fully removed.
Looking at the white layer preview, you can see there are still large areas of solid ink that would print so this transfer won't be as soft as we'd like. But that's where adding the halftone helps!
Check the box for Halftone and then use the color picker to select the color you want to halftone. Adjust the tolerance slider so that colors that are close in shade area also half toned. I like to switch over to the White Layer Preview while I make adjustments here.
Look how much more of the transfer is now breathing...the halftone has created all that extra natural space in the previously solid parts of the DTF image.
Exporting and Printing your print-ready DTF file
When you're done with the fixes applied to your DTF artwork in Oneklik, click Export. You can export as a PDF, PNG or TIFF file depending on what your printer rip software prefers.
You'll notice that exporting costs 10 tokens. So you can get up to 5 exports free! Then when you're ready to re-load you can purchase more tokens (25% ff the 300 and 500 token plan with my OneKlik coupon code: Melissa25) and use them as needed (they can also be used for other Oneklik features like AI image creation and mockups). I like this kind of system over a monthly subscription because you're not "wasting" it when you're on vacation or not using the software.
Now here's the thing - making DTF transfer print-ready is exactly what you want to do, but the printer settings itself will also make a big difference so make sure you have those dialed in too. I'd recommend adjusting the white choke and feathering to start.
Here's the the halftone image printed. The blotchy-looking areas are where there is no ink because they've been halftoned.
And when pressed on the shirt, you have a transfer that's been optimized to not only feel good but also look good.
Now, if you want go one step further, you can also use OneKlik to create DTF gang sheets. If you want to see that process - including how I lay multiple designs out on a gang sheet so I'm not prepping one transfer at a time - check out this video.
Special Offer & Try OneKlik FREE for your own DTF file prep
If you're ready to stop using 10 different tools and instead use one purpose built program to prep your own print-ready DTF files, you can try OneKlik here and get started for free - you'll get those first few exports without paying anything, so you can run one of your own designs through and feel the difference for yourself before you ever load tokens.
When you're ready to re-load your tokens use the OneKlik coupon code MELISSA25 to get 25% off the 300 or 500 token packages!
Note: This post may contain affiliate links. By clicking on them and purchasing products through my links, I receive a small commission. That's what helps fund Silhouette School so I can keep buying new Silhouette-related products to show you how to get the most out of your machine!
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