Daniel Doerrfeld — Mechanical design engineer

I design machines, fixtures & parts that get made.

8 years Autodesk Inventor
12 years SolidWorks (CSWP)
12 years CAMWorks (mill, turn, EDM)
6 years Python

Selected work

Pneumatic tube-and-fitting assembly station for a medical customer

Assemblies and machines, Fixtures and tooling, Drawings and GD&T, ’26 A benchtop pneumatic station that clamps, locates, and presses tubing onto round-body fittings for a medical customer, designed in Inventor.
Feature extraction, DFM checks, and a first-pass quote from a STEP file, in Python

Automation, Part design, ’26 A Python tool that reads a STEP file with OpenCascade, recognizes holes, pockets, and slots, runs DFM rules, and prices the part at four quantities.

Design: Machines, fixtures, tooling, and machined parts from concept through release, with production drawings to ASME Y14.5.
Manufacturing: Design for manufacture, tolerance and process planning, and CAM programming for 3 and 4 axis milling and wire EDM.
Automation: iLogic, Inventor API, and Python tools for drawing generation, DFM review, and quoting.
Operations: Engineering and operations leadership in ISO 9001 machine shops and tooling houses.