Flat vector is a list of properties, not a word

Two bears on one screen. The left is rendered — fur, soft shadow, a gradient in the background. The right is flat: closed shapes, solid fills, one heavy outline, no texture anywhere.

Asking for the right one by name usually gets you something closer to the left. The word "vector" describes a file format, and the model isn't producing files, it's producing an image.

What is the flat vector look, precisely?

Five properties, and naming them works where the label doesn't.

• Closed shapes. Every element is a defined area, not a soft mass.
• Flat fills. One colour per shape, no shading inside it.
• A single outline weight around the subject and its main parts.
• No gradients, no texture, no noise.
• Simplified anatomy — features reduced to the fewest shapes that still read.

Ask for those and you get the bear on the right. Ask for "vector illustration" and you get a render that has vaguely learned what vector art tends to look like, which is not the same and never quite lands.

Why doesn't the style name work?

Because a style name is an average, and this style is defined by absences.

Style words describe a general direction — the model resolves them toward the centre of everything tagged that way, which includes a great deal of semi-rendered work. The distinguishing features here are all things that must not be present: no gradient, no texture, no soft edge. Absences aren't averaged well.

That's the same mechanism as everywhere else in this area: concrete properties land, category words drift.

Why does it suit garments so well?

It's very close to the ideal print by construction.

Hard edges, flat colour, a limited palette, a strong silhouette and no fine detail — that's the list of things that survive the resolution of the cloth and read at ten feet. The style evolved for signage, decals and cheap reproduction, all of which have the same requirements a shirt does.

It also scales without redesign: the same artwork works as a chest print and as a small mark, which almost nothing else does.

Does flat mean simple?

No, and the assumption limits people.

Flat vector can be extremely dense — mid-century advertising art, transit maps, complex crests, scientific diagrams. What's constant is how the information is delivered (shapes and fills), not how much of it there is.

The bear is simple because a mascot should be. A flat vector cityscape can have four hundred shapes in it and still print perfectly, because every one of them is a solid area with a hard edge.

How thick should the outline be?

Consistent, and heavier than default.

The outline is doing most of the reading work at distance, so it wants real weight — and, more importantly, it wants to be the same weight throughout. Variable-width outlines read as hand-drawn, which is a different tradition; uniform weight is what says "vector".

The exception worth knowing: dropping the outline entirely and letting colour boundaries define shapes is a legitimate variant, closer to the arcade-cabinet tradition. Choose one or the other rather than mixing.

What about shading?

Two flats, if any.

Flat vector handles volume by adding a second, darker version of a fill — a hard-edged shadow shape rather than a gradient. One step, sometimes two. The moment it becomes three or four the style drifts back toward rendering.

Naming this explicitly helps: shading as a single darker flat shape with a hard edge, no gradients. That one clause fixes most of the drift.

When is it the wrong choice?

When the subject's identity is in its texture.

A specific person, a specific animal, anything whose recognisability lives in surface and detail loses that in translation to shapes. Flat vector abstracts, which is exactly right for a mascot, an object or an icon and exactly wrong for a likeness you need to hold — a photograph wants a different register.

How do I order?

Describe the subject at JustOG and the properties — flat fills, one outline weight, no gradients, how many colours. Pick a direction, drag the crop frame, see it composited on the real garment, and it's made to order and shipped.

Designs other people have published are in the shop.

"Vector" names a file. The look is five properties, and they can be asked for directly.