Figure 2 from Drafting of involute spur-gears in AutoCAD-VBA customized | Semantic Scholar
Characteristics of spur gear parts – ZHY Gear
Spur Gear Terminology
Isometric view of the Spur Gear 20T M2.25 Section and Elevation detailed drawing is given in this CAD DWG file. Download the AutoCAD 2D DWG file. - Cadbull
Solved: Spur gear drawing using arraypolar - Autodesk Community - AutoCAD
Gear Design | Spur Gears - YouTube
4.3 Spur Gears | Features and Macros in SolidWorks | Peachpit