Add setDefaultParams to AGeometryGenerator.

plugins/geometry-generator/package-lock.json

 {
     "name": "@threepipe/plugin-geometry-generator",
-    "version": "0.3.1",
+    "version": "0.3.2",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@threepipe/plugin-geometry-generator",
-            "version": "0.3.1",
+            "version": "0.3.2",
             "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": "0.3.1",
+    "version": "0.3.2",
     "devDependencies": {
     },
     "dependencies": {
     },
     "exports": {
         ".": {
+            "types": "./dist/index.d.ts",
             "import": "./dist/index.mjs",
             "require": "./dist/index.js"
         },

plugins/geometry-generator/src/AGeometryGenerator.ts

     }
 }
 
-export abstract class AGeometryGenerator<Tp=any> implements GeometryGenerator<Tp> {
+export abstract class AGeometryGenerator<Tp extends object=any> implements GeometryGenerator<Tp> {
     constructor(public type: string) {
     }
 
         return geometry
     }
 
+    setDefaultParams(params: Partial<Tp>) {
+        Object.assign(this.defaultParams, params)
+        return this
+    }
 }