Minor fix in plugin-geometry-generator and plugin-tweakpane-editor.

plugins/geometry-generator/package-lock.json

 {
     "name": "@threepipe/plugin-geometry-generator",
-    "version": "0.2.0",
+    "version": "0.2.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@threepipe/plugin-geometry-generator",
-            "version": "0.2.0",
+            "version": "0.2.1",
             "license": "Apache-2.0",
             "dependencies": {
                 "threepipe": "file:./../../src/"

plugins/geometry-generator/package.json

 {
     "name": "@threepipe/plugin-geometry-generator",
     "description": "Geometry generator plugin to create updatable parametric objects/geometries.",
-    "version": "0.2.0",
+    "version": "0.2.1",
     "devDependencies": {
     },
     "dependencies": {

plugins/geometry-generator/src/GeometryGeneratorPlugin.ts

     generateObject(type: string, params?: any) {
         const generator = this.generators[type]
         if (!generator) throw new Error('Unknown generator type: ' + type)
-        const obj = new Mesh2(params.geometry ?? new BufferGeometry2(), params.material ?? new PhysicalMaterial())
+        const obj = new Mesh2(params?.geometry ?? new BufferGeometry2(), params?.material ?? new PhysicalMaterial())
         generator.generate(obj.geometry, params)
         obj.name = type
         obj.geometry.name = 'Generated ' + type

plugins/tweakpane-editor/package-lock.json

 {
     "name": "@threepipe/plugin-tweakpane-editor",
-    "version": "0.2.0",
+    "version": "0.2.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@threepipe/plugin-tweakpane-editor",
-            "version": "0.2.0",
+            "version": "0.2.1",
             "license": "Apache-2.0",
             "dependencies": {
                 "@threepipe/plugin-tweakpane": "file:./../tweakpane/src/",

plugins/tweakpane-editor/package.json

 {
     "name": "@threepipe/plugin-tweakpane-editor",
     "description": "Tweakpane Editor Plugin for ThreePipe",
-    "version": "0.2.1",
+    "version": "0.2.2",
     "devDependencies": {
         "tippy.js": "^6.3.7",
         "treejs": "git://github.com/repalash/treejs.git#d303016bb74e75725d13e97291ac1d4727985918"

plugins/tweakpane-editor/src/logo.ts

     viewer.container.appendChild(webgiLogo)
     tippy(webgiLogo, {
         placement: 'right',
-        content: 'Powered by WebGi SDK',
+        content: 'Powered by Threepipe SDK',
     })
 }