Mockups, flats and tech packs

Two different things are called a mockup.

One is a photograph of a blank garment you drop your artwork onto. The other is the line drawing a factory works from. People searching for one usually land on the other, lose a week, and still can't get a quote. Here is the difference, and the drawing is free.
SlabTee — Boxy Heavyweight Tee (front) boxy minimalist boxy heavyweight tee flat sketch template front view tech pack vector drawing B chest 60 A length 70 drop 5 E sleeve 22

Which one do you actually need?

Photo mockup
A photo of a blank garment
A shirt on a model or a hanger, with your design laid over it. What it is for: your store, your ads, your Instagram. What it is not for: a factory, which cannot cut anything from a photograph.
Not us. Placeit, Mockup World and Printful's generator all do this well.
Vector flat
Free here
The line drawing, to scale
Front and back, seams and topstitch, drawn flat as if the garment were laid on a table. Also called a flat sketch, a technical drawing or a CAD. What it is for: designing your graphics on, showing a factory the shape, and your line sheet.
Free for all 25 garments below — SVG and PNG, no account.
Tech pack
The flat, plus every number
The same drawing with each measurement in each size, the tolerance the factory is allowed, the fabric and its weight, the trims and how each seam is sewn. What it is for: getting a quote and a sample that comes back right.
This is what LineDrop sells. It is the only one of the three a factory can work from.

Quick answer

• Selling print-on-demand tees with your artwork on them → you want a photo mockup, and you don't need us.
• Designing a graphic and want to see it on the garment shape → you want a vector flat. Free, below.
• Emailing a manufacturer for a quote or a sample → you want a tech pack. A flat on its own will get you a reply asking for measurements.

Free vector flats — 25 garments

Open any garment and the download sits under the drawing: one SVG with front and back on a single sheet, or a PNG if you just want a picture. Use it for your own clothing — put your graphics on it, send it to a factory, put it on your line sheet. Just don't resell the drawing itself as a template.

Questions

Is a flat sketch the same as a mockup?

Not usually. Most people saying mockup mean a photograph of a blank garment with a design laid over it, for a shop listing or an ad. A flat sketch is the technical line drawing of the garment itself, front and back, which is what a designer draws on and a factory reads.

What can I open the SVG with?

Adobe Illustrator, Affinity Designer, Figma, Inkscape, CorelDRAW and Sketch all open it directly, and every web browser will display it. It is a vector, so you can scale it to any size, recolour the lines and draw your own graphics over the top without it going blurry.

Do I need an account to download?

No. The flat sketches are free with no sign-up. An account is only needed for LineDrop Pro, which unlocks every tech pack PDF and the customiser.

Can I use these for my own brand commercially?

Yes — use them for your own clothing products, including garments you sell. The one thing you can't do is resell the drawings themselves as a template product.

Why don't the free flats have measurements on them?

The measurements, the grading between sizes and the tolerances are the part a factory is paid to work from, and they are what LineDrop Pro sells. The drawing is free because a drawing on its own cannot be manufactured.

Can I get a flat sketch of my own garment?

If you have a photo of a sample, the garment matcher compares its proportions against the library and tells you which template is closest — or tells you honestly when none of them are.
Have a photo of a sample? Find the closest template to it →

When the drawing isn't enough

A factory needs numbers before it can quote: chest, length, shoulder, sleeve, hem, and the tolerance it is allowed on each, in every size you plan to sell. That is the tech pack, and every garment here already has one.