diff --git a/src/globals.ts b/src/globals.ts
index 6547c9d..705fb35 100644
--- a/src/globals.ts
+++ b/src/globals.ts
@@ -2,7 +2,7 @@ import { hsl as d3Hsl, HSLColor } from 'd3-color'
 
 import { GraphTypeBuilder } from './graph-types/types'
 
-type TGlobals = {
+export type TGlobals = {
   COLORS: Array<HSLColor>
   DEFAULT_WIDTH: number
   DEFAULT_HEIGHT: number
diff --git a/src/index.ts b/src/index.ts
index c5e59f7..3bbefd7 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,7 @@
 import './polyfills'
 
 import { FunctionPlotOptions } from './types'
-import { Chart } from './chart'
+import { Chart, ChartMeta, ChartMetaMargin } from './chart'
 
 import globals, { registerGraphType } from './globals'
 import { polyline, interval, scatter, text } from './graph-types'
@@ -39,12 +39,14 @@ functionPlot.$eval = $eval
 functionPlot.graphTypes = { interval, polyline, scatter }
 
 export * from './types'
-export { Chart }
+export { Chart, ChartMeta, ChartMetaMargin }
 export { registerGraphType }
 export { builtIn as EvalBuiltIn, interval as EvalInterval } from './helpers/eval'
+export { TGlobals } from './globals'
 export {
   interval as GraphTypeInterval,
   polyline as GraphTypePolyline,
   scatter as GraphTypeScatter
 } from './graph-types'
+export { GraphTypePlotter, GraphTypeBuilder } from './graph-types/types'
 export * from './helpers'