Computational

A Square Bar Cut by the Fellows Four-Lobed Cutter: Fig. 21 Rolled Out - Design File (BLEND)

Fellows Four-Lobed Cutter (US 579,708, Fig. 21): Curved Teeth That Cut Flat Faces - Design File (BLEND)

A Sprocket Wheel Cut by the Fellows Cutter: Fig. 20 Rolled Out in Full - Design File (BLEND)

Fellows Sprocket-Wheel Cutter (US 579,708, Fig. 20): The 3D Model - Design File (BLEND)

An Internal Ring Gear Cut by the Fellows Cutter: Teeth on the Inside - Design File (BLEND)

A Gear Cut by the Fellows Cutter: 40 Teeth Generated, Not Drawn - Design File (BLEND)

Fellows Gear-Shaper Cutter (US 579,708): The 3D Model - Design File (BLEND)

Human Skull - Design File (BLEND)

Parametric Design Toolkit

STL Collection (Printable Enclosures)

KiCad Component Library

G-Code Post Processor Library

Simulation Parameter Library

3D Model Library (Mechanical Parts)

OpenSCAD Parametric Parts

Open-Source FEA Solver

Marlin Firmware Templates

FreeCAD Add-on Bundle

Thermodynamic Properties Database

Material Properties Dataset