From PNG to 3D Print: Building a Browser-Based STL Pipeline

If you've ever tried to 3D print a logo, a QR code, or a flat illustration, you know the usual pain: open Fusion 360 or Blender, trace the outlines, extrude, export, pray the mesh is manifold. It's a 30-minute detour for what should be a 30-second task. Over the last few months, I've been building a set of browser-based tools that collapse this entire workflow into three clicks: upload image, pick thickness, download STL. No installs. No CAD knowledge. No server-side Python pipeline. This post w