Form3DAI
Reverse Engineering Engine

STL → STEP Converter

Upload your 3D mesh and get an editable solid STEP file. Powered by OpenCASCADE — real reverse engineering with primitive detection.

Batch Mode

Drop your STL file here

or click to browse • Max 50MB • STL, OBJ, PLY

01

Upload Mesh

STL, OBJ, or PLY from any scanner or tool

02

Detect & Convert

Primitives detected → solid BRep built

03

Download STEP

Editable solid — import into any CAD

Technical Specs

Engine

OpenCASCADE 7.8

Detection

Sphere, Cylinder, Plane

Max File

50 MB

Output

Editable SOLID STEP