diff --git a/modules/workbenches/modeler/features/boolean/boolean.operation.ts b/modules/workbenches/modeler/features/boolean/boolean.operation.ts
index 5834884e..e8df6a73 100644
--- a/modules/workbenches/modeler/features/boolean/boolean.operation.ts
+++ b/modules/workbenches/modeler/features/boolean/boolean.operation.ts
@@ -3,10 +3,13 @@ import {ApplicationContext} from "context";
 import {EntityKind} from "cad/model/entities";
 import {BooleanDefinition} from "cad/craft/schema/common/BooleanDefinition";
 import {OperationDescriptor} from "cad/craft/operationPlugin";
+import { param } from 'cypress/types/jquery';
+import { MObject } from 'cad/model/mobject';
 
 interface BooleanParams {
   tools: [];
-  boolean: BooleanDefinition
+  keepTools:boolean;
+  boolean: BooleanDefinition;
 }
 
 export const BooleanOperation: OperationDescriptor<BooleanParams> = {
@@ -20,29 +23,44 @@ export const BooleanOperation: OperationDescriptor<BooleanParams> = {
     let occ = ctx.occService;
     const oci = occ.commandInterface;
 
-    console.log(params.tools, params.boolean);
+    let returnObject = occ.utils.applyBooleanModifier(params.tools, params.boolean);
+    
+    if (params.keepTools == true) {
+      // filter consumed array to remove the tools but leaving the targets regardless if 
+      // the targets are explicitly set or implied by leaving targets blank.
+      returnObject.consumed = returnObject.created.filter((el) =>  !params.tools.includes(el as never));
+    }else{
+      returnObject.consumed = returnObject.consumed.concat(params.tools);
+    }
 
-    return occ.utils.applyBooleanModifier(params.tools, params.boolean);
+    return returnObject;
 
   },
   form: [
-    {
-      type: 'boolean',
-      name: 'boolean',
-      label: 'Targets',
-      optional: true,
-      defaultValue: 'UNION'
-    },
     {
       type: 'selection',
       name: 'tools',
       capture: [EntityKind.SHELL],
       label: 'Tools',
+      optional: false,
       multi: true,
       defaultValue: {
         usePreselection: true,
         preselectionIndex: 0
       },
     },
+    {
+      type: 'checkbox',
+      name: 'keepTools',
+      label: 'Keep Tools',
+      defaultValue: false,
+    },
+    {
+      type: 'boolean',
+      name: 'boolean',
+      label: 'Targets',
+      optional: true,
+      defaultValue: "UNION",
+    },
   ],
 }