Hi there!
I’m new here and I have hope that I put my post in correct way on this forum. If I’m not then I’m sorry.
So here we go. My brand, brand new project made in Angular 9 that let you draw simple 2D object and convert it into 3D object by linear extrude, rotate extrude or spring extrude operation. In project I use Three.js to show 3D view of created object. And you can export model to free OpenSCAD model format. Object are some how a little bit parametric so you can control some geometry of objects.
Program is online on my page: https://www.obliczeniowo.com.pl/Angular_examples/AnCAD