diff --git a/docs/backlog.md b/docs/backlog.md
index 12e7982..77416a3 100644
--- a/docs/backlog.md
+++ b/docs/backlog.md
@@ -135,6 +135,8 @@
 
 ## UI и качество
 
+- [ ] split to parts - посмотреть вариант с toggle component - может будет
+      удобнее чем sectioned buttons
 - [ ] неудобно настраивать ползунками, некоторые инструменты удобнее настроить
       через drag-n-drop. звучит сложно, но надо придумать процесс
 - [ ] просмотр картинки в оригинальном размере, и возможно с зумом отдельных
diff --git a/web/src/lib/components/fields/schema/SegmentedControl.svelte b/web/src/lib/components/fields/schema/SegmentedControl.svelte
new file mode 100644
index 0000000..b314121
--- /dev/null
+++ b/web/src/lib/components/fields/schema/SegmentedControl.svelte
@@ -0,0 +1,33 @@
+<script lang="ts">
+	import Control from "./Control.svelte";
+	import Segmented from "$lib/components/ui/Segmented.svelte";
+	import { optionLabel } from "$lib/i18n/schema-tool-strings";
+	import type { FieldSpec, SegmentedSpec } from "$lib/registry-schema";
+
+	interface Props {
+		label: string;
+		value: unknown;
+		spec: FieldSpec;
+		toolId: string;
+		fieldId: string;
+		onchange?: (value: string) => void;
+	}
+	let { label, value, spec, toolId, fieldId, onchange }: Props = $props();
+
+	const sp = $derived(spec as SegmentedSpec);
+	const current = $derived(
+		typeof value === "string" && sp.options.some((o) => o.value === value)
+			? value
+			: sp.default,
+	);
+	const options = $derived(
+		sp.options.map((o) => ({
+			value: o.value,
+			label: optionLabel(toolId, fieldId, o.value, o.label),
+		})),
+	);
+</script>
+
+<Control {label}>
+	<Segmented {options} value={current} onchange={(v) => onchange?.(v)} />
+</Control>
diff --git a/web/src/lib/components/schema/SchemaFields.svelte b/web/src/lib/components/schema/SchemaFields.svelte
index bb399ba..fde8c1a 100644
--- a/web/src/lib/components/schema/SchemaFields.svelte
+++ b/web/src/lib/components/schema/SchemaFields.svelte
@@ -18,6 +18,7 @@
 	import ColorsControl from "$lib/components/fields/schema/ColorsControl.svelte";
 	import RangeControl from "$lib/components/fields/schema/RangeControl.svelte";
 	import SelectControl from "$lib/components/fields/schema/SelectControl.svelte";
+	import SegmentedControl from "$lib/components/fields/schema/SegmentedControl.svelte";
 	import TextControl from "$lib/components/fields/schema/TextControl.svelte";
 	import OffsetControl from "$lib/components/fields/schema/OffsetControl.svelte";
 	import PositionControl from "$lib/components/fields/schema/PositionControl.svelte";
@@ -42,6 +43,7 @@
 		"color-pair": ColorPairControl,
 		colors: ColorsControl,
 		select: SelectControl,
+		segmented: SegmentedControl,
 		checkbox: CheckboxControl,
 		text: TextControl,
 		dimension: DimensionField,
diff --git a/web/src/lib/i18n/tools-i18n.test.ts b/web/src/lib/i18n/tools-i18n.test.ts
index 609bee2..e8a03ea 100644
--- a/web/src/lib/i18n/tools-i18n.test.ts
+++ b/web/src/lib/i18n/tools-i18n.test.ts
@@ -25,7 +25,7 @@ function selectOptions(
 		const spec = (
 			field as { spec?: { kind?: string; options?: SelectOption[] } }
 		).spec;
-		if (spec?.kind !== "select") continue;
+		if (spec?.kind !== "select" && spec?.kind !== "segmented") continue;
 		for (const option of spec.options ?? []) result.push({ fieldId, option });
 	}
 	return result;
diff --git a/web/src/lib/registry-schema.ts b/web/src/lib/registry-schema.ts
index 792b0e9..dfd2a01 100644
--- a/web/src/lib/registry-schema.ts
+++ b/web/src/lib/registry-schema.ts
@@ -50,6 +50,15 @@ export interface SelectSpec<V extends string = string> extends FieldSpecBase {
 	options: { value: V; label: string }[];
 }
 
+/** То же, что select, но рендерится кнопками-сегментами (выбор в 1 клик). */
+export interface SegmentedSpec<
+	V extends string = string,
+> extends FieldSpecBase {
+	kind: "segmented";
+	default: V;
+	options: { value: V; label: string }[];
+}
+
 export interface TextSpec extends FieldSpecBase {
 	kind: "text";
 	default: string;
@@ -214,6 +223,7 @@ export const fieldSpecs = {
 	slider: {} as SliderSpec,
 	color: {} as ColorSpec,
 	select: {} as SelectSpec,
+	segmented: {} as SegmentedSpec,
 	text: {} as TextSpec,
 	checkbox: {} as CheckboxSpec,
 	dimension: {} as DimensionSpec,
@@ -277,6 +287,11 @@ export const field = {
 	select: <V extends string>(s: Omit<SelectSpec<V>, "kind">): Field<V> => ({
 		spec: { kind: "select", ...s },
 	}),
+	segmented: <V extends string>(
+		s: Omit<SegmentedSpec<V>, "kind">,
+	): Field<V> => ({
+		spec: { kind: "segmented", ...s },
+	}),
 	text: (s: Omit<TextSpec, "kind">): Field<string> => ({
 		spec: { kind: "text", ...s },
 	}),
@@ -576,6 +591,7 @@ export function sanitizeSchemaParams<P>(
 				break;
 			}
 			case "select":
+			case "segmented":
 				out[key] =
 					typeof raw === "string" && spec.options.some((o) => o.value === raw)
 						? raw
diff --git a/web/src/lib/registry/tools/geometry.ts b/web/src/lib/registry/tools/geometry.ts
index 08b9e1f..c4774c1 100644
--- a/web/src/lib/registry/tools/geometry.ts
+++ b/web/src/lib/registry/tools/geometry.ts
@@ -446,7 +446,7 @@ interface SplitPartsParams {
 
 export const splitPartsSchema = toolSchema<SplitPartsParams>(
 	{
-		mode: field.select({
+		mode: field.segmented({
 			label: "fields.splitMode",
 			default: "grid",
 			options: [