diff --git a/dev/FileBrowser.tsx b/dev/FileBrowser.tsx
index 465971e..1a81705 100644
--- a/dev/FileBrowser.tsx
+++ b/dev/FileBrowser.tsx
@@ -6,7 +6,9 @@ import {
 	For,
 	Show,
 } from "solid-js";
-import { FileIcon, FolderIcon, FolderOpenIcon } from "#/dev/icons/index.ts";
+import { FileIcon } from "#/dev/icons/File.tsx";
+import { FolderIcon } from "#/dev/icons/Folder.tsx";
+import { FolderOpenIcon } from "#/dev/icons/FolderOpen.tsx";
 
 export type BrowserFile = {
 	path: string;
diff --git a/dev/ItemList.tsx b/dev/ItemList.tsx
index f7c9005..dfcab6d 100644
--- a/dev/ItemList.tsx
+++ b/dev/ItemList.tsx
@@ -10,12 +10,10 @@ import {
 	type Signal,
 	Switch,
 } from "solid-js";
-import {
-	ArrowNarrowDownIcon,
-	ArrowNarrowUpIcon,
-	ArrowsSortIcon,
-	ChevronDownIcon,
-} from "#/dev/icons/index.ts";
+import { ArrowNarrowDownIcon } from "#/dev/icons/ArrowNarrowDown.tsx";
+import { ArrowNarrowUpIcon } from "#/dev/icons/ArrowNarrowUp.tsx";
+import { ArrowsSortIcon } from "#/dev/icons/ArrowsSort.tsx";
+import { ChevronDownIcon } from "#/dev/icons/ChevronDown.tsx";
 
 export type ListItem = { label: string; isActive: boolean };
 
diff --git a/dev/icons/index.ts b/dev/icons/index.ts
deleted file mode 100644
index 1e05d1f..0000000
--- a/dev/icons/index.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-export * from "./ArrowAutofitHeight.tsx";
-export * from "./ArrowAutofitWidth.tsx";
-export * from "./ArrowNarrowDown.tsx";
-export * from "./ArrowNarrowUp.tsx";
-export * from "./ArrowsSort.tsx";
-export * from "./ChevronDown.tsx";
-export * from "./File.tsx";
-export * from "./FileDelta.tsx";
-export * from "./FileMusic.tsx";
-export * from "./FilePencil.tsx";
-export * from "./FileUnknown.tsx";
-export * from "./FloppyDisc.tsx";
-export * from "./Folder.tsx";
-export * from "./FolderOpen.tsx";
-export * from "./Lasso.tsx";
-export * from "./LassoPolygon.tsx";
-export * from "./LayoutGrid.tsx";
-export * from "./Pencil.tsx";
-export * from "./Polygon.tsx";
-export * from "./Refresh.tsx";
-export * from "./RefreshAlert.tsx";
-export * from "./RefreshDot.tsx";
-export * from "./Reload.tsx";
-export * from "./Script.tsx";
-export * from "./StackBackward.tsx";
-export * from "./StackForward.tsx";
-export * from "./TransformPoint.tsx";
-export * from "./ZoomScan.tsx";
diff --git a/dev/main.css b/dev/main.css
index 0a6e976..c98402d 100644
--- a/dev/main.css
+++ b/dev/main.css
@@ -108,6 +108,26 @@
 	user-select: none;
 }
 
+.zoom-bar {
+	display: flex;
+	gap: var(--sp-2);
+
+	button {
+		color: inherit;
+		border-radius: var(--sp-1);
+		border: none;
+		background: transparent;
+		padding: 0;
+		cursor: pointer;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+	}
+	button:hover {
+		background: var(--c-bg-3);
+	}
+}
+
 .scene-props {
 	display: flex;
 	gap: var(--sp-2);
diff --git a/dev/main.tsx b/dev/main.tsx
index d3acfb9..ee3162d 100644
--- a/dev/main.tsx
+++ b/dev/main.tsx
@@ -1,15 +1,13 @@
 import "./main.css";
-import { type Component, createSignal, onMount } from "solid-js";
+import { type Component, createEffect, createSignal, onMount } from "solid-js";
 import { render } from "solid-js/web";
 import { InputField } from "#/dev/controls/InputField.tsx";
 import { RangeSlider } from "#/dev/controls/RangeSlider.tsx";
 import { ItemList, type ItemsRef } from "#/dev/ItemList.tsx";
-import {
-	ArrowAutofitHeightIcon,
-	ArrowAutofitWidthIcon,
-	FileIcon,
-	ZoomScanIcon,
-} from "#/dev/icons/index.ts";
+import { ArrowAutofitHeightIcon } from "#/dev/icons/ArrowAutofitHeight.tsx";
+import { ArrowAutofitWidthIcon } from "#/dev/icons/ArrowAutofitWidth.tsx";
+import { FileIcon } from "#/dev/icons/File.tsx";
+import { ZoomScanIcon } from "#/dev/icons/ZoomScan.tsx";
 import {
 	currentScene,
 	type SceneData,
@@ -59,14 +57,21 @@ const DevTools: Component<{ gameContainer: HTMLElement }> = ({
 
 	adjustGameContainer(gameContainer, width());
 
+	const [currentScale, setCurrentScale] = createSignal(viewport.initialScale);
+	const [sceneData, setSceneData] = createSignal(currentScene.data);
 	const [scenes] = createSignal(scenesRaw);
 	const [entities, setEntities] = createSignal(
 		mapSceneEntities(currentScene.data),
 	);
 
+	createEffect(() => {
+		setScale(currentScale());
+	});
+
 	const setCurrentScene = async (items: ItemsRef): Promise<void> => {
 		const name = items.find((ref) => ref.item.isActive)!.item.label;
 		await setScene(name);
+		setSceneData(currentScene.data);
 		setEntities(mapSceneEntities(currentScene.data));
 	};
 
@@ -98,27 +103,31 @@ const DevTools: Component<{ gameContainer: HTMLElement }> = ({
 	return (
 		<div class="dev-tools" style={{ width: `${width()}px` }}>
 			<div class="tool-bar">
-				<RangeSlider
-					name="scale"
-					min={1}
-					max={8}
-					step={1}
-					value={viewport.initialScale}
-					onInput={setScale}
-				>
-					<ZoomScanIcon />
-				</RangeSlider>
+				<div class="zoom-bar">
+					<button type="button" onClick={() => setCurrentScale(4)}>
+						<ZoomScanIcon />
+					</button>
+					<RangeSlider
+						name="scale"
+						min={1}
+						max={8}
+						step={1}
+						value={currentScale()}
+						onInput={(value) => setCurrentScale(value)}
+					></RangeSlider>
+					<span>{currentScale()}</span>
+				</div>
 
 				<div class="scene-props">
 					<InputField
 						name="file"
-						value={currentScene.data.name}
+						value={sceneData().name}
 						icon={FileIcon()}
 					></InputField>
 					<InputField
 						type="number"
 						name="width"
-						value={String(currentScene.data.width)}
+						value={String(sceneData().width)}
 						icon={ArrowAutofitWidthIcon()}
 						onChange={(value) => {
 							currentScene.data.width = parseInt(value);
@@ -128,7 +137,7 @@ const DevTools: Component<{ gameContainer: HTMLElement }> = ({
 					<InputField
 						type="number"
 						name="height"
-						value={String(currentScene.data.height)}
+						value={String(sceneData().height)}
 						icon={ArrowAutofitHeightIcon()}
 						onChange={(value) => {
 							currentScene.data.height = parseInt(value);