diff --git a/modules/workbenches/modeler/features/primitive_box/index.ts b/modules/workbenches/modeler/features/primitive_box/index.ts
index 5f670c9e..e45eeb81 100644
--- a/modules/workbenches/modeler/features/primitive_box/index.ts
+++ b/modules/workbenches/modeler/features/primitive_box/index.ts
@@ -1,68 +1,84 @@
 import { ApplicationContext } from 'context';
-import { MBrepShell } from 'cad/model/mshell';
 import { roundValueForPresentation as r } from 'cad/craft/operationHelper';
-import { occ2brep } from 'cad/occ/occ2models';
 import icon32 from './icon32.png';
 import icon96 from './icon96.png';
-
-export default {
-    id: 'primitive_box',
-    label: 'primitive_box',
-    icon: {
-        iconSet: {
-            medium: {
-                iconType: 'image',
-                iconContent: icon32
-            },
-            large: {
-                iconType: 'image',
-                iconContent: icon96
-            }
-        },
-    },
-    info: 'primitive_box',
-    mutualExclusiveFields: [],
-    paramsInfo: ({ boxX, boxY, boxZ }) => `(${r(boxX)} ${r(boxY)})  ${r(boxZ)})`,
-    schema: {
-        boxX: {
-            type: 'number',
-            defaultValue: 200,
-            label: 'X'
-        },
-        boxY: {
-            type: 'number',
-            defaultValue: 280,
-            label: 'Y'
-        },
-        boxZ: {
-            type: 'number',
-            defaultValue: 280,
-            label: 'Z'
-        },
-    },
-
-
-    run: ({ boxX, boxY, boxZ }, ctx: ApplicationContext) => {
-        //const occObj = createCylinder(diameter, height, ctx.occService.occContext);
-        const oc = ctx.occService.occContext;
-
-
-        let myBody = new oc.BRepPrimAPI_MakeBox_1(boxX, boxY, boxZ);
-        //let myBody = new oc.BRepPrimAPI_Make
-
-        const aRes = new oc.TopoDS_Compound();
-        const aBuilder = new oc.BRep_Builder();
-        aBuilder.MakeCompound(aRes);
-        aBuilder.Add(aRes, myBody.Shape());
+import { MDFCommand } from "cad/mdf/mdf";
+import { EntityKind } from "cad/model/entities";
+import { BooleanDefinition } from "cad/craft/schema/common/BooleanDefinition";
 
 
 
-        const mobject = new MBrepShell(occ2brep(aRes, ctx.occService.occContext));
-        return {
-            consumed: [],
-            created: [mobject]
-        };
-    },
 
+interface PrimitiveBoxParams {
+    x: Number,
+    y: Number,
+    z: Number,
+    locations: {},
+    boolean: BooleanDefinition,
 }
 
+const PrimitiveBoxOperation: MDFCommand<PrimitiveBoxParams> = {
+    id: 'primitive_box',
+    label: 'Primitive Box',
+    icon: 'img/cad/extrude',
+    info: 'Primitive Box',
+    paramsInfo: ({ x, y, z }) => `(${r(x)} , ${r(y)} , ${r(z)})`,
+    form: [
+        {
+            type: 'number',
+            label: 'X',
+            name: 'x',
+            defaultValue: 50,
+        },
+        {
+            type: 'number',
+            label: 'Y',
+            name: 'y',
+            defaultValue: 50,
+        },
+        {
+            type: 'number',
+            label: 'Z',
+            name: 'z',
+            defaultValue: 50,
+        },
+        {
+            type: 'selection',
+            name: 'locations',
+            capture: [EntityKind.DATUM],
+            label: 'locations',
+            multi: false,
+            optional: true,
+            defaultValue: {
+                usePreselection: true,
+                preselectionIndex: 0
+            },
+        },
+
+        {
+            type: 'boolean',
+            name: 'boolean',
+            label: 'boolean',
+            optional: true,
+        }
+
+    ],
+
+
+
+
+
+    run: (params: PrimitiveBoxParams, ctx: ApplicationContext) => {
+
+        let occ = ctx.occService;
+        const oci = occ.commandInterface;
+
+
+        oci.box("b", "20", "20", "20");
+
+        return occ.utils.applyBooleanModifier(["b"], params.boolean);
+
+    },
+}
+
+export default PrimitiveBoxOperation;
\ No newline at end of file