diff --git a/src/lang/modifyAst/addSweep.ts b/src/lang/modifyAst/addSweep.ts
index 9468da62b..8dbf2ad02 100644
--- a/src/lang/modifyAst/addSweep.ts
+++ b/src/lang/modifyAst/addSweep.ts
@@ -37,12 +37,14 @@ export function addExtrude({
   ast,
   sketches,
   length,
+  bidirectionalLength,
   symmetric,
   nodeToEdit,
 }: {
   ast: Node<Program>
   sketches: Selections
   length: KclCommandValue
+  bidirectionalLength?: KclCommandValue
   symmetric?: boolean
   nodeToEdit?: PathToNode
 }):
@@ -66,6 +68,14 @@ export function addExtrude({
   }
 
   // Extra labeled args expressions
+  const bidirectionalLengthExpr = bidirectionalLength
+    ? [
+        createLabeledArg(
+          'bidirectionalLength',
+          valueOrVariable(bidirectionalLength)
+        ),
+      ]
+    : []
   const symmetricExpr = symmetric
     ? [createLabeledArg('symmetric', createLiteral(symmetric))]
     : []
@@ -73,6 +83,7 @@ export function addExtrude({
   const sketchesExpr = createSketchExpression(sketchesExprList)
   const call = createCallExpressionStdLibKw('extrude', sketchesExpr, [
     createLabeledArg('length', valueOrVariable(length)),
+    ...bidirectionalLengthExpr,
     ...symmetricExpr,
   ])
 
@@ -80,6 +91,17 @@ export function addExtrude({
   if ('variableName' in length && length.variableName) {
     insertVariableAndOffsetPathToNode(length, modifiedAst, nodeToEdit)
   }
+  if (
+    bidirectionalLength &&
+    'variableName' in bidirectionalLength &&
+    bidirectionalLength.variableName
+  ) {
+    insertVariableAndOffsetPathToNode(
+      bidirectionalLength,
+      modifiedAst,
+      nodeToEdit
+    )
+  }
 
   // 3. If edit, we assign the new function call declaration to the existing node,
   // otherwise just push to the end
diff --git a/src/lib/commandBarConfigs/modelingCommandConfig.ts b/src/lib/commandBarConfigs/modelingCommandConfig.ts
index 8da7b51bc..3c9b19151 100644
--- a/src/lib/commandBarConfigs/modelingCommandConfig.ts
+++ b/src/lib/commandBarConfigs/modelingCommandConfig.ts
@@ -61,7 +61,7 @@ export type ModelingCommandSchema = {
     sketches: Selections
     length: KclCommandValue
     symmetric?: boolean
-    // bidirectionalLength?: KclCommandValue
+    bidirectionalLength?: KclCommandValue
   }
   Sweep: {
     // Enables editing workflow
@@ -405,13 +405,12 @@ export const modelingMachineCommandConfig: StateMachineCommandSetConfig<
           { name: 'True', value: true },
         ],
       },
-      // bidirectionalLength: {
-      //   inputType: 'kcl',
-      //   defaultValue: KCL_DEFAULT_LENGTH,
-      //   skip: true,
-      //   hidden: false,
-      //   required: false,
-      // },
+      bidirectionalLength: {
+        inputType: 'kcl',
+        defaultValue: KCL_DEFAULT_LENGTH,
+        skip: true,
+        required: false,
+      },
     },
   },
   Sweep: {
diff --git a/src/lib/operations.ts b/src/lib/operations.ts
index bc1fc5657..a99041c1f 100644
--- a/src/lib/operations.ts
+++ b/src/lib/operations.ts
@@ -20,12 +20,13 @@ import {
   type Program,
   pathToNodeFromRustNodePath,
   type VariableDeclaration,
+  type ParseResult,
 } from '@src/lang/wasm'
 import type {
   HelixModes,
   ModelingCommandSchema,
 } from '@src/lib/commandBarConfigs/modelingCommandConfig'
-import type { KclExpression } from '@src/lib/commandTypes'
+import type { KclCommandValue, KclExpression } from '@src/lib/commandTypes'
 import {
   stringToKclExpression,
   retrieveArgFromPipedCallExpression,
@@ -95,7 +96,27 @@ const prepareToEditExtrude: PrepareToEditCallback = async ({ operation }) => {
     return { reason: "Couldn't retrieve length argument" }
   }
 
-  // symmetric argument from a string to a KCL expression
+  // bidirectionalLength argument from a string to a KCL expression
+  let bidirectionalLength: KclCommandValue | Error | ParseResult | undefined
+  if (
+    'bidirectionalLength' in operation.labeledArgs &&
+    operation.labeledArgs.bidirectionalLength
+  ) {
+    bidirectionalLength = await stringToKclExpression(
+      codeManager.code.slice(
+        operation.labeledArgs.bidirectionalLength.sourceRange[0],
+        operation.labeledArgs.bidirectionalLength.sourceRange[1]
+      )
+    )
+  }
+  if (
+    err(bidirectionalLength) ||
+    (bidirectionalLength && 'errors' in bidirectionalLength)
+  ) {
+    return { reason: "Couldn't retrieve bidirectionalLength argument" }
+  }
+
+  // symmetric argument from a string to boolean
   let symmetric: boolean | undefined
   if ('symmetric' in operation.labeledArgs && operation.labeledArgs.symmetric) {
     symmetric =
@@ -111,6 +132,7 @@ const prepareToEditExtrude: PrepareToEditCallback = async ({ operation }) => {
   const argDefaultValues: ModelingCommandSchema['Extrude'] = {
     sketches,
     length,
+    bidirectionalLength,
     symmetric,
     nodeToEdit: pathToNodeFromRustNodePath(operation.nodePath),
   }
diff --git a/src/machines/modelingMachine.ts b/src/machines/modelingMachine.ts
index f073500bb..924e74743 100644
--- a/src/machines/modelingMachine.ts
+++ b/src/machines/modelingMachine.ts
@@ -2429,12 +2429,14 @@ export const modelingMachine = setup({
           return Promise.reject(new Error(NO_INPUT_PROVIDED_MESSAGE))
         }
 
-        const { nodeToEdit, sketches, length, symmetric } = input
+        const { nodeToEdit, sketches, length, bidirectionalLength, symmetric } =
+          input
         const { ast } = kclManager
         const astResult = addExtrude({
           ast,
           sketches,
           length,
+          bidirectionalLength,
           symmetric,
           nodeToEdit,
         })