diff --git a/app/actions/columns.ts b/app/actions/columns.ts
new file mode 100644
index 0000000..2823f4d
--- /dev/null
+++ b/app/actions/columns.ts
@@ -0,0 +1,14 @@
+import { IColumn } from '../components/column/IColumn';
+
+export const ADD_COLUMN = 'ADD_COLUMN';
+export const REMOVE_COLUMN = 'REMOVE_COLUMN';
+
+export const addColumn = (grid: IColumn) => ({
+  type: ADD_COLUMN,
+  payload: grid
+});
+
+export const removeColumn = (grid: IColumn) => ({
+  type: REMOVE_COLUMN,
+  payload: grid
+});
diff --git a/app/components/App.tsx b/app/components/App.tsx
index fdbad58..7e05c51 100644
--- a/app/components/App.tsx
+++ b/app/components/App.tsx
@@ -3,22 +3,25 @@ import * as R from 'ramda';
 import * as React from 'react';
 import { connect } from 'react-redux';
 import styled from 'styled-components';
+import { addColumn, removeColumn } from '../actions/columns';
 import { addGrid, removeGrid } from '../actions/grids';
 import { addGuide, removeGuide } from '../actions/guides';
 import { toggleVisibility as toggleHelpVisibility } from '../actions/help';
 import { addOnion, removeOnion } from '../actions/onions';
 import { addRuler, removeRuler } from '../actions/rulers';
 import { toggleVisibility as toggleToolsVisibility } from '../actions/tools';
+import { Column } from '../components/column/Column';
 import { Grid } from '../components/grid/Grid';
-import Guide from '../components/guide/Guide';
-import OnionImage from '../components/onionImage/OnionImage';
-import Ruler from '../components/ruler/Ruler';
+import { Guide } from '../components/guide/Guide';
+import { OnionImage } from '../components/onionImage/OnionImage';
+import { Ruler } from '../components/ruler/Ruler';
 import { Toolbox } from '../components/toolbox/Toolbox';
 import { AppStore } from '../reducers';
 import { HelpStore } from '../reducers/help';
 import { ToolsStore } from '../reducers/tools';
 import { initializeAnalytics, track } from './core/analytics';
 import { factory as GridFactory } from './grid/factory';
+import { factory as ColumnFactory } from './column/factory';
 import { IGrid } from './grid/IGrid';
 import { factory as GuideFactory } from './guide/factory';
 import { IGuide } from './guide/IGuide';
@@ -28,16 +31,20 @@ import { IOnionImage } from './onionImage/IOnionImage';
 import { factory as RulerFactory } from './ruler/factory';
 import { IRuler } from './ruler/IRuler';
 import { Tool } from './toolbox/Tool';
+import { IColumn } from './column/IColumn';
 
 interface Props {
   help: HelpStore;
   tools: ToolsStore;
+  columns: IColumn[];
   grids: IGrid[];
   guides: IGuide[];
   onions: IOnionImage[];
   rulers: IRuler[];
   addGrid: (grid: IGrid) => void;
   removeGrid: (grid: IGrid) => void;
+  addColumn: (column: IColumn) => void;
+  removeColumn: (column: IColumn) => void;
   addGuide: (guide: IGuide) => void;
   removeGuide: (guide: IGuide) => void;
   addOnion: (onion: IOnionImage) => void;
@@ -84,10 +91,11 @@ class AppView extends React.Component<Props> {
   };
 
   render() {
-    const { grids, guides, onions, rulers, tools, help } = this.props;
+    const { columns, grids, guides, onions, rulers, tools, help } = this.props;
     const isToolsVisible = tools.visible;
     const isHelpVisible = help.visible;
     const isGridVisible = R.gt(R.length(grids), 0);
+    const isColumnVisible = R.gt(R.length(columns), 0);
 
     return (
       <>
@@ -95,6 +103,9 @@ class AppView extends React.Component<Props> {
           {grids.map((grid: IGrid) => (
             <Grid key={grid.id} {...grid} />
           ))}
+          {columns.map((column: IColumn) => (
+            <Column key={column.id} {...column} />
+          ))}
           {rulers.map((ruler: IRuler) => (
             <Ruler
               key={ruler.id}
@@ -133,23 +144,38 @@ class AppView extends React.Component<Props> {
           y={10}
           toggleVisibility={this._setVisible}
           isStuffVisible={isToolsVisible}
+          isColumnVisible={isColumnVisible}
           isGridVisible={isGridVisible}
           create={this.create}
-          toggle={this._toggleGrid}
+          toggle={this._toggleTool}
           toggleHelp={this._toggleHelp}
         />
       </>
     );
   }
 
-  private _toggleGrid = () => {
-    const isGridVisible = R.gt(R.length(this.props.grids), 0);
-    if (isGridVisible) {
-      this.props.removeGrid(this.props.grids[0]);
-      track('tool', 'grid', 'remove');
-    } else {
-      this.props.addGrid(GridFactory());
-      track('tool', 'grid', 'add');
+  private _toggleTool = (tool: Tool) => {
+    switch (tool) {
+      case Tool.GRID:
+        const isGridVisible = R.gt(R.length(this.props.grids), 0);
+        if (isGridVisible) {
+          this.props.removeGrid(this.props.grids[0]);
+          track('tool', 'grid', 'remove');
+        } else {
+          this.props.addGrid(GridFactory());
+          track('tool', 'grid', 'add');
+        }
+        break;
+      case Tool.COLUMN:
+        const isColumnVisible = R.gt(R.length(this.props.columns), 0);
+        if (isColumnVisible) {
+          this.props.removeColumn(this.props.columns[0]);
+          track('tool', 'grid', 'remove');
+        } else {
+          this.props.addColumn(ColumnFactory());
+          track('tool', 'grid', 'add');
+        }
+        break;
     }
   };
 
@@ -169,6 +195,8 @@ const App = connect(
   {
     addGrid,
     removeGrid,
+    addColumn,
+    removeColumn,
     addGuide,
     removeGuide,
     addOnion,
diff --git a/app/components/column/Column.tsx b/app/components/column/Column.tsx
new file mode 100644
index 0000000..89f170d
--- /dev/null
+++ b/app/components/column/Column.tsx
@@ -0,0 +1,24 @@
+import * as React from 'react';
+import styled from 'styled-components';
+import { IColumn } from './IColumn';
+import { createColumn } from './utils';
+
+export const Column = ({ width, height, color, opacity }: IColumn) => (
+  <Element data={createColumn(width, height, 20, color)} opacity={opacity} />
+);
+
+interface Props {
+  data: string;
+  opacity: number;
+}
+
+const Element = styled.div<Props>`
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  background-image: url(${({ data }) => data});
+  background-repeat: repeat;
+  opacity: ${({ opacity }) => opacity};
+`;
diff --git a/app/components/column/IColumn.ts b/app/components/column/IColumn.ts
new file mode 100644
index 0000000..27a3946
--- /dev/null
+++ b/app/components/column/IColumn.ts
@@ -0,0 +1,10 @@
+import { Color } from '../../utils/Color';
+
+export interface IColumn {
+  className?: string;
+  id: string;
+  color: Color;
+  width: number;
+  height: number;
+  opacity: number;
+}
diff --git a/app/components/column/factory.ts b/app/components/column/factory.ts
new file mode 100644
index 0000000..296a617
--- /dev/null
+++ b/app/components/column/factory.ts
@@ -0,0 +1,12 @@
+import * as uuid from 'uuid/v1';
+import { Color } from '../../utils/Color';
+import { IColumn } from './IColumn';
+
+export const factory = (id: string = uuid(), props = {}): IColumn => ({
+  id,
+  width: 100,
+  height: 100,
+  color: Color.RED,
+  opacity: 0.1,
+  ...props
+});
diff --git a/app/components/column/utils.ts b/app/components/column/utils.ts
new file mode 100644
index 0000000..35b2edf
--- /dev/null
+++ b/app/components/column/utils.ts
@@ -0,0 +1,17 @@
+export const createColumn = (
+  width: number,
+  height: number,
+  gap: number,
+  color: string
+): string => {
+  const canvas: HTMLCanvasElement = document.createElement('canvas');
+  const ctx = canvas.getContext('2d') as CanvasRenderingContext2D;
+
+  canvas.width = width + gap;
+  canvas.height = height;
+
+  ctx.fillStyle = color;
+  ctx.fillRect(0, 0, width, height);
+
+  return canvas.toDataURL();
+};
diff --git a/app/components/guide/Guide.tsx b/app/components/guide/Guide.tsx
index 24a552b..e665b47 100644
--- a/app/components/guide/Guide.tsx
+++ b/app/components/guide/Guide.tsx
@@ -37,7 +37,7 @@ interface Props {
   remove: () => void;
 }
 
-export default class Guide extends React.Component<IGuide & Props, State> {
+export class Guide extends React.Component<IGuide & Props, State> {
   private el: React.RefObject<HTMLDivElement> = React.createRef();
 
   static getDerivedStateFromProps(nextProps, prevState) {
diff --git a/app/components/onionImage/OnionImage.tsx b/app/components/onionImage/OnionImage.tsx
index eee35c5..ad63fee 100644
--- a/app/components/onionImage/OnionImage.tsx
+++ b/app/components/onionImage/OnionImage.tsx
@@ -80,10 +80,7 @@ interface Props {
   remove: () => void;
 }
 
-export default class OnionImage extends React.Component<
-  IOnionImage & Props,
-  State
-> {
+export class OnionImage extends React.Component<IOnionImage & Props, State> {
   private el: React.RefObject<HTMLDivElement> = React.createRef();
   private image: React.RefObject<HTMLImageElement> = React.createRef();
 
diff --git a/app/components/ruler/Ruler.tsx b/app/components/ruler/Ruler.tsx
index 6a005a0..21d2807 100644
--- a/app/components/ruler/Ruler.tsx
+++ b/app/components/ruler/Ruler.tsx
@@ -36,7 +36,7 @@ interface Props {
   remove: () => void;
 }
 
-export default class Ruler extends React.Component<IRuler & Props, State> {
+export class Ruler extends React.Component<IRuler & Props, State> {
   private el: React.RefObject<HTMLDivElement> = React.createRef();
   private ruler: React.RefObject<HTMLDivElement> = React.createRef();
 
diff --git a/app/components/toolbox/Tool.ts b/app/components/toolbox/Tool.ts
index ee608b6..abd4756 100644
--- a/app/components/toolbox/Tool.ts
+++ b/app/components/toolbox/Tool.ts
@@ -1,4 +1,5 @@
 export enum Tool {
+  COLUMN = 'column',
   GUIDE = 'guide',
   RULER = 'ruler',
   ONION = 'onion',
diff --git a/app/components/toolbox/Toolbox.tsx b/app/components/toolbox/Toolbox.tsx
index 9903cd2..5f32bc1 100644
--- a/app/components/toolbox/Toolbox.tsx
+++ b/app/components/toolbox/Toolbox.tsx
@@ -15,6 +15,7 @@ interface Props {
   x: number;
   y: number;
   isStuffVisible: boolean;
+  isColumnVisible: boolean;
   isGridVisible: boolean;
   toggleVisibility: () => void;
   create: (tool: Tool) => void;
@@ -62,6 +63,7 @@ export class Toolbox extends React.Component<Props, State> {
   render() {
     const {
       isStuffVisible,
+      isColumnVisible,
       isGridVisible,
       x,
       y,
@@ -82,7 +84,10 @@ export class Toolbox extends React.Component<Props, State> {
             title={`${isStuffVisible ? 'Hide' : 'Show'} all`}
             onClick={() => toggleVisibility()}
           >
-            <MiniToolboxIcon icon={isStuffVisible ? 'eye' : 'eye-off'} />
+            <MiniToolboxIcon
+              active={isStuffVisible}
+              icon={isStuffVisible ? 'eye' : 'eye-off'}
+            />
           </MiniToolboxItem>
           <ToolSpace />
           <MiniToolboxItem title="New guide" onClick={() => create(Tool.GUIDE)}>
@@ -101,7 +106,13 @@ export class Toolbox extends React.Component<Props, State> {
             title={isGridVisible ? 'Hide grid' : 'Show grid'}
             onClick={() => toggle(Tool.GRID)}
           >
-            <MiniToolboxIcon icon="grid" />
+            <MiniToolboxIcon active={isGridVisible} icon="grid" />
+          </MiniToolboxItem>
+          <MiniToolboxItem
+            title={isColumnVisible ? 'Hide columns' : 'Show columns'}
+            onClick={() => toggle(Tool.COLUMN)}
+          >
+            <MiniToolboxIcon active={isColumnVisible} icon="pause" />
           </MiniToolboxItem>
           <ToolSpace />
           <MiniToolboxItem title="Show help" onClick={toggleHelp}>
diff --git a/app/reducers/columns.ts b/app/reducers/columns.ts
new file mode 100644
index 0000000..cc2682f
--- /dev/null
+++ b/app/reducers/columns.ts
@@ -0,0 +1,20 @@
+import * as R from 'ramda';
+import { AnyAction } from 'redux';
+import { ADD_COLUMN, REMOVE_COLUMN } from '../actions/columns';
+import { IColumn } from '../components/column/IColumn';
+
+const initialStore: IColumn[] = [];
+
+export const columns = (
+  store = initialStore,
+  { type, payload }: AnyAction
+): IColumn[] => {
+  switch (type) {
+    case ADD_COLUMN:
+      return R.append(payload, store);
+    case REMOVE_COLUMN:
+      return R.reject(R.equals(payload), store);
+  }
+
+  return store;
+};
diff --git a/app/reducers/index.ts b/app/reducers/index.ts
index 96ca73f..5c90ca1 100644
--- a/app/reducers/index.ts
+++ b/app/reducers/index.ts
@@ -3,14 +3,17 @@ import { IGrid } from '../components/grid/IGrid';
 import { IGuide } from '../components/guide/IGuide';
 import { IOnionImage } from '../components/onionImage/IOnionImage';
 import { IRuler } from '../components/ruler/IRuler';
+import { columns } from './columns';
 import { grids } from './grids';
 import { guides } from './guides';
 import { onions } from './onions';
 import { rulers } from './rulers';
 import { tools, ToolsStore } from './tools';
 import { help, HelpStore } from './help';
+import { IColumn } from '../components/column/IColumn';
 
 export interface AppStore {
+  columns: IColumn[];
   grids: IGrid[];
   guides: IGuide[];
   onions: IOnionImage[];
@@ -20,6 +23,7 @@ export interface AppStore {
 }
 
 const rootReducer = combineReducers<AppStore>({
+  columns,
   grids,
   guides,
   onions,