diff --git a/src/factories/bar.ts b/src/factories/bar.ts
new file mode 100644
index 00000000..9e27856b
--- /dev/null
+++ b/src/factories/bar.ts
@@ -0,0 +1,83 @@
+import { ColorSource, Container } from 'pixi.js'
+import { capFactory } from '@/factories/cap'
+import { rectangleFactory } from '@/factories/rectangle'
+
+type BarStyle = {
+  width: number,
+  height: number,
+  background: ColorSource,
+  radius: number,
+  capLeft?: false,
+  capRight?: false,
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
+export async function barFactory() {
+  const bar = new Container()
+  const rectangle = await rectangleFactory()
+  const { left, right, render: renderCaps } = await capFactory()
+
+  bar.addChild(rectangle)
+  bar.addChild(left)
+  bar.addChild(right)
+
+  async function render(style: BarStyle): Promise<Container> {
+    const { width, x, visible } = getRectangleStyles(style)
+
+    await renderCaps(style)
+
+    rectangle.visible = visible
+    rectangle.width = width
+    rectangle.height = style.height
+    rectangle.x = x
+
+    left.visible = getCapVisibility(style.capLeft, style.radius)
+    right.visible = getCapVisibility(style.capRight, style.radius)
+
+    right.x = style.radius + width
+
+    rectangle.tint = style.background
+    left.tint = style.background
+    right.tint = style.background
+
+    return bar
+  }
+
+  function getCapVisibility(enabled: boolean | undefined, radius: number): boolean {
+    if (radius === 0) {
+      return false
+    }
+
+    return enabled ?? true
+  }
+
+  function getRectangleStyles(style: BarStyle): { width: number, x: number, visible: boolean } {
+    const left = getCapVisibility(style.capLeft, style.radius)
+    const right = getCapVisibility(style.capRight, style.radius)
+
+    let caps = 0
+
+    if (left) {
+      caps += style.radius
+    }
+
+    if (right) {
+      caps += style.radius
+    }
+
+    const width = Math.max(style.width - caps, 0)
+    const visible = width > 0
+    const x = left ? style.radius : 0
+
+    return {
+      width,
+      visible,
+      x,
+    }
+  }
+
+  return {
+    bar,
+    render,
+  }
+}
\ No newline at end of file
diff --git a/src/factories/box.ts b/src/factories/box.ts
deleted file mode 100644
index 223ab0a0..00000000
--- a/src/factories/box.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import { differenceInMilliseconds, millisecondsInSecond } from 'date-fns'
-import { Graphics } from 'pixi.js'
-import { DEFAULT_LINEAR_COLUMN_SIZE_PIXELS, DEFAULT_TIME_COLUMN_SIZE_PIXELS } from '@/consts'
-import { RunGraphNode } from '@/models/RunGraph'
-import { waitForConfig } from '@/objects/config'
-import { layout } from '@/objects/layout'
-
-// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
-export async function nodeBoxFactory() {
-  const config = await waitForConfig()
-  const box = new Graphics()
-
-  async function render(node: RunGraphNode): Promise<Graphics> {
-    const { background } = config.styles.node(node)
-
-    const width = getWidth(node)
-    const height = config.styles.nodeHeight - config.styles.nodeMargin * 2
-
-    box.clear()
-    box.lineStyle(1, 0x0, 1, 2)
-    box.beginFill(background)
-    box.drawRoundedRect(0, 0, width, height, 4)
-    box.endFill()
-
-    return await box
-  }
-
-  function getWidth(node: RunGraphNode): number {
-    if (layout.horizontal === 'trace') {
-      const right = node.start_time
-      const left = node.end_time ?? new Date()
-      const seconds = differenceInMilliseconds(left, right) / millisecondsInSecond
-      const width = seconds * DEFAULT_TIME_COLUMN_SIZE_PIXELS
-
-      return width
-    }
-
-    return DEFAULT_LINEAR_COLUMN_SIZE_PIXELS
-  }
-
-  return {
-    box,
-    render,
-  }
-}
\ No newline at end of file
diff --git a/src/factories/cap.ts b/src/factories/cap.ts
new file mode 100644
index 00000000..f53a24f2
--- /dev/null
+++ b/src/factories/cap.ts
@@ -0,0 +1,58 @@
+import { useSubscription } from '@prefecthq/vue-compositions'
+import { Graphics, Rectangle, Sprite, Texture } from 'pixi.js'
+import { waitForApplication } from '@/objects'
+
+type CapStyle = {
+  height: number,
+  radius: number,
+}
+
+async function cap({ height, radius }: CapStyle): Promise<Texture> {
+  const application = await waitForApplication()
+
+  const graphic = new Graphics()
+  graphic.beginFill('#fff')
+  graphic.drawRoundedRect(0, 0, radius * 2, height, radius)
+  graphic.endFill()
+
+  const cap = application.renderer.generateTexture(graphic, {
+    // drew a rounded rectangle and then just using half of the graphic to get just the left "cap"
+    region: new Rectangle(0, 0, radius, height),
+
+    // manually bumping up the resolution to keep the border radius from being blurry
+    resolution: 10,
+  })
+
+  return cap
+}
+
+type CapSprites = {
+  left: Sprite,
+  right: Sprite,
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
+export function capFactory() {
+  const left = new Sprite()
+  const right = new Sprite()
+
+  async function render(style: CapStyle): Promise<CapSprites> {
+    const texture = (await useSubscription(cap, [style]).promise()).response
+    left.texture = texture
+    right.texture = texture
+
+    right.anchor.x = 1
+    right.scale.x = -1
+
+    return {
+      left,
+      right,
+    }
+  }
+
+  return {
+    left,
+    right,
+    render,
+  }
+}
\ No newline at end of file
diff --git a/src/factories/node.ts b/src/factories/node.ts
index 5f3396a5..19cae9a7 100644
--- a/src/factories/node.ts
+++ b/src/factories/node.ts
@@ -1,6 +1,6 @@
 import { Container, Ticker } from 'pixi.js'
-import { FlowRunContainer, flowRunContainerFactory } from '@/factories/flowRun'
-import { TaskRunContainer, taskRunContainerFactory } from '@/factories/taskRun'
+import { FlowRunContainer, flowRunContainerFactory } from '@/factories/nodeFlowRun'
+import { TaskRunContainer, taskRunContainerFactory } from '@/factories/nodeTaskRun'
 import { RunGraphNode } from '@/models/RunGraph'
 
 export type NodeContainerFactory = Awaited<ReturnType<typeof nodeContainerFactory>>
diff --git a/src/factories/nodeBar.ts b/src/factories/nodeBar.ts
new file mode 100644
index 00000000..1822678b
--- /dev/null
+++ b/src/factories/nodeBar.ts
@@ -0,0 +1,49 @@
+import { differenceInMilliseconds, millisecondsInSecond } from 'date-fns'
+import { Container } from 'pixi.js'
+import { DEFAULT_LINEAR_COLUMN_SIZE_PIXELS, DEFAULT_TIME_COLUMN_SIZE_PIXELS } from '@/consts'
+import { barFactory } from '@/factories/bar'
+import { RunGraphNode } from '@/models/RunGraph'
+import { waitForConfig } from '@/objects/config'
+import { layout } from '@/objects/layout'
+
+// eslint-disable-next-line @typescript-eslint/explicit-function-return-type
+export async function nodeBarFactory() {
+  const config = await waitForConfig()
+  const { bar, render: renderBar } = await barFactory()
+
+  async function render(node: RunGraphNode): Promise<Container> {
+    const { background = '#fff' } = config.styles.node(node)
+    const { nodeHeight: height, nodeBorderRadius: radius } = config.styles
+    const width = getTotalWidth(node, radius)
+    const capLeft = node.state_type !== 'running'
+
+    await renderBar({
+      width,
+      height,
+      radius,
+      background,
+      capLeft,
+    })
+
+    return bar
+  }
+
+  function getTotalWidth(node: RunGraphNode, borderRadius: number): number {
+    if (layout.horizontal === 'trace') {
+      const right = node.start_time
+      const left = node.end_time ?? new Date()
+      const seconds = differenceInMilliseconds(left, right) / millisecondsInSecond
+      const width = seconds * DEFAULT_TIME_COLUMN_SIZE_PIXELS
+
+      // this means the min node size is 18px. Is that correct?
+      return Math.max(width, borderRadius * 2)
+    }
+
+    return DEFAULT_LINEAR_COLUMN_SIZE_PIXELS
+  }
+
+  return {
+    bar,
+    render,
+  }
+}
\ No newline at end of file
diff --git a/src/factories/flowRun.ts b/src/factories/nodeFlowRun.ts
similarity index 78%
rename from src/factories/flowRun.ts
rename to src/factories/nodeFlowRun.ts
index 3a561ed0..c3285f68 100644
--- a/src/factories/flowRun.ts
+++ b/src/factories/nodeFlowRun.ts
@@ -1,7 +1,7 @@
-import { BitmapText, Container, Graphics } from 'pixi.js'
+import { BitmapText, Container } from 'pixi.js'
 import { DEFAULT_NODE_CONTAINER_NAME } from '@/consts'
-import { nodeBoxFactory } from '@/factories/box'
 import { nodeLabelFactory } from '@/factories/label'
+import { nodeBarFactory } from '@/factories/nodeBar'
 import { nodesContainerFactory } from '@/factories/nodes'
 import { Pixels } from '@/models/layout'
 import { RunGraphNode } from '@/models/RunGraph'
@@ -13,13 +13,13 @@ export type FlowRunContainer = Awaited<ReturnType<typeof flowRunContainerFactory
 export async function flowRunContainerFactory(node: RunGraphNode) {
   const container = new Container()
   const config = await waitForConfig()
-  const { box, render: renderBox } = await nodeBoxFactory()
+  const { bar, render: renderBar } = await nodeBarFactory()
   const { label, render: renderLabel } = await nodeLabelFactory()
   const { container: nodesContainer, render: renderNodes, stop: stopNodes } = await nodesContainerFactory(node.id)
 
   let open = false
 
-  container.addChild(box)
+  container.addChild(bar)
   container.addChild(label)
   container.addChild(nodesContainer)
 
@@ -35,9 +35,9 @@ export async function flowRunContainerFactory(node: RunGraphNode) {
 
   async function render(node: RunGraphNode): Promise<Container> {
     const label = await renderLabel(node)
-    const box = await renderBox(node)
+    const bar = await renderBar(node)
 
-    label.position = getLabelPosition(label, box)
+    label.position = getLabelPosition(label, bar)
 
     return container
   }
@@ -54,11 +54,11 @@ export async function flowRunContainerFactory(node: RunGraphNode) {
     }
   }
 
-  function getLabelPosition(label: BitmapText, box: Graphics): Pixels {
+  function getLabelPosition(label: BitmapText, bar: Container): Pixels {
     // todo: this should probably be nodePadding
     const margin = config.styles.nodeMargin
-    const inside = box.width > margin + label.width + margin
-    const y = box.height / 2 - label.height
+    const inside = bar.width > margin + label.width + margin
+    const y = bar.height / 2 - label.height
 
     if (inside) {
       return {
@@ -68,7 +68,7 @@ export async function flowRunContainerFactory(node: RunGraphNode) {
     }
 
     return {
-      x: box.width + margin,
+      x: bar.width + margin,
       y,
     }
   }
diff --git a/src/factories/taskRun.ts b/src/factories/nodeTaskRun.ts
similarity index 68%
rename from src/factories/taskRun.ts
rename to src/factories/nodeTaskRun.ts
index acb056f0..daa21239 100644
--- a/src/factories/taskRun.ts
+++ b/src/factories/nodeTaskRun.ts
@@ -1,7 +1,7 @@
-import { BitmapText, Container, Graphics } from 'pixi.js'
+import { BitmapText, Container } from 'pixi.js'
 import { DEFAULT_NODE_CONTAINER_NAME } from '@/consts'
-import { nodeBoxFactory } from '@/factories/box'
 import { nodeLabelFactory } from '@/factories/label'
+import { nodeBarFactory } from '@/factories/nodeBar'
 import { Pixels } from '@/models/layout'
 import { RunGraphNode } from '@/models/RunGraph'
 import { waitForConfig } from '@/objects/config'
@@ -12,9 +12,9 @@ export type TaskRunContainer = Awaited<ReturnType<typeof taskRunContainerFactory
 export async function taskRunContainerFactory() {
   const container = new Container()
   const { label, render: renderLabel } = await nodeLabelFactory()
-  const { box, render: renderBox } = await nodeBoxFactory()
+  const { bar, render: renderBar } = await nodeBarFactory()
 
-  container.addChild(box)
+  container.addChild(bar)
   container.addChild(label)
 
   container.eventMode = 'none'
@@ -22,20 +22,20 @@ export async function taskRunContainerFactory() {
 
   async function render(node: RunGraphNode): Promise<Container> {
     const label = await renderLabel(node)
-    const box = await renderBox(node)
+    const bar = await renderBar(node)
 
-    label.position = await getLabelPosition(label, box)
+    label.position = await getLabelPosition(label, bar)
 
     return container
   }
 
-  async function getLabelPosition(label: BitmapText, box: Graphics): Promise<Pixels> {
+  async function getLabelPosition(label: BitmapText, bar: Container): Promise<Pixels> {
     const config = await waitForConfig()
 
     // todo: this should probably be nodePadding
     const margin = config.styles.nodeMargin
-    const inside = box.width > margin + label.width + margin
-    const y = box.height / 2 - label.height
+    const inside = bar.width > margin + label.width + margin
+    const y = bar.height / 2 - label.height
 
     if (inside) {
       return {
@@ -45,7 +45,7 @@ export async function taskRunContainerFactory() {
     }
 
     return {
-      x: box.width + margin,
+      x: bar.width + margin,
       y,
     }
   }
diff --git a/src/factories/rectangle.ts b/src/factories/rectangle.ts
new file mode 100644
index 00000000..9973a92c
--- /dev/null
+++ b/src/factories/rectangle.ts
@@ -0,0 +1,22 @@
+import { useSubscription } from '@prefecthq/vue-compositions'
+import { Graphics, RenderTexture, Sprite } from 'pixi.js'
+import { waitForApplication } from '@/objects'
+
+async function rectangle(): Promise<RenderTexture> {
+  const application = await waitForApplication()
+
+  const rectangle = new Graphics()
+  rectangle.beginFill('#fff')
+  rectangle.drawRect(0, 0, 1, 1)
+  rectangle.endFill()
+
+  const texture = application.renderer.generateTexture(rectangle)
+
+  return texture
+}
+
+export async function rectangleFactory(): Promise<Sprite> {
+  const texture = (await useSubscription(rectangle).promise()).response
+
+  return new Sprite(texture)
+}
\ No newline at end of file
diff --git a/src/models/RunGraph.ts b/src/models/RunGraph.ts
index 89e92fca..17e697df 100644
--- a/src/models/RunGraph.ts
+++ b/src/models/RunGraph.ts
@@ -50,6 +50,7 @@ export type RunGraphNodeStyles = {
 export type RunGraphStyles = {
   nodeHeight?: number,
   nodeMargin?: number,
+  nodeBorderRadius?: number,
   node?: (node: RunGraphNode) => RunGraphNodeStyles,
 }
 
diff --git a/src/objects/config.ts b/src/objects/config.ts
index cd13af61..11d20552 100644
--- a/src/objects/config.ts
+++ b/src/objects/config.ts
@@ -11,6 +11,7 @@ const defaults: Omit<RequiredGraphConfig, 'runId' | 'fetch'> = {
   styles: {
     nodeHeight: 30,
     nodeMargin: 2,
+    nodeBorderRadius: 8,
     node: () => ({
       background: '#ffffff',
     }),