SVG Prep

Layer Order: Bottom and Largest First

The golden rule of HTV layering is that the largest, bottom-most piece of your design goes down onto the garment first, and every layer after that gets pressed directly on top of the one before it, working from largest/background elements toward the smallest/foreground details. Think of it the same way you'd think about painting a picture: background first, details last.

A common example is a design with a colored background shape, a white outline shape, and black text on top. The background shape is pressed first, the white outline goes on top of that, and the black text goes on last, directly on top of the white. Each new layer partially overlaps the one beneath it, which hides any minor gaps or cutting imperfections.

Plan Your Order in SVG Prep's Layers View

Before you cut a single piece of vinyl, use SVG Prep's Layers view to see your design broken down by color. This makes the correct stacking order much easier to visualize than staring at the flattened design — you can clearly see which color sits behind which, and identify any color that's actually made up of small disconnected pieces that would be difficult to align by hand.

Once you're happy with the layer breakdown, export each color as its own file. Most HTV cutting is done in "mirror" mode, so make sure your cutting software mirrors the image horizontally before you cut — this is easy to forget when you're focused on getting the colors right.

The Tack-Press Technique

Don't fully press every layer as you go — if you do, the heat and pressure from each subsequent press can start to lift or warp the layers underneath. Instead, use a "tack press" for every layer except the last one: apply your heat press or iron for just 5-10 seconds, enough to hold the vinyl in place without fully curing the adhesive.

Once your final, top-most layer is placed and tacked, do one full press covering the entire design for the time and temperature recommended by the vinyl manufacturer (commonly 10-15 seconds at 305°F for standard HTV, though this varies by brand and material). This single full press finishes the bond for every layer at once.

Which HTV Types Can (and Can't) Be Layered

Standard smooth HTV layers onto other standard smooth HTV without issue — this is the easiest and most predictable combination. But some specialty materials have real limitations:

Glitter HTV: Can generally have other vinyl layered on top of it, but nothing should be layered directly underneath a glitter layer — the textured, uneven surface makes it very difficult for another layer to bond properly on top of it. Glitter should almost always be your top-most, final layer.

Flock and glow-in-the-dark HTV: Similar story — their textured or thicker surface makes them poor candidates for having something layered on top. Use them as top layers only, or avoid stacking on them entirely.

Holographic and foil HTV: These can be layered in either position but often require slightly lower pressing temperatures than standard vinyl, so always check the manufacturer's spec sheet before combining them with a different HTV type in the same design.

Temperature Guidance

Every HTV brand publishes its own recommended time, temperature, and pressure — always check the specific product you're using rather than relying on a single universal number. As general starting points: standard/smooth HTV typically presses around 300-315°F, glitter HTV often runs slightly cooler around 280-300°F, and specialty foils and holographics can require even lower heat. When you're layering multiple types of HTV in one design, press at the lowest recommended temperature among the materials you're using, and extend the time slightly if needed rather than raising the heat.

Alignment: Registration Marks and the Hinge Method

Getting layers to line up precisely is the hardest part of HTV layering, especially with detailed designs. Two techniques help a lot:

Registration marks: Before cutting, add small witness marks or crop marks to your design in SVG Prep that appear in the same spot on every layer's carrier sheet. After weeding, you can line these marks up visually across layers to confirm perfect registration before you press anything.

Hinge method: Place your first layer exactly where you want it on the garment and tape one edge down to the garment with heat-resistant tape (the "hinge"). Press that layer. Then position your next layer's carrier sheet using the same hinge as a reference point so it lands in exactly the same spot every time, rather than eyeballing it fresh for each layer.