This style of knob is common on vintage (or vintage-inspired) electronics, synthesizers and many other items.

Included are several size knobs (Diameter x Height)

• Small - 12.5 x 13 mm
• Medium - 16.5 x 15 mm
• Large - 22 x 15 mm
• X Large - 30 x 18 mm
• XX Large - 40 x 20 mm

Each comes for standard 6mm D and Knurled shafts.

Naming is VintageKnobA2_Size_IndentCount_ShaftType.stl and VintageKnobA2cap_Size_IndicatorType.stl

To create a custom knob, use the Thingiverse or OpenSCAD customizer. The OpenSCAD script is included. See the illustrations for examples of possible customizations.

A bash script to generate STLs of all sizes, shafts, grip counts and caps is included.

Version history

Version 2

2021-05-09

• Faster rendering, making it easily customizable (Thingiverse Customizer enabled).
• More indicator options, include separate top/bottom dots, line and indicators on cap.
• Option for hollow bottom (requires raft/supports).
• Option for extra clearance around wider section of the the shaft.
• Option for rotating shank (e.g. for rotating the D-shank 180 degrees).
• Support for set screw shafts.
• More example illustrations of customization options.
• Single file OpenSCAD source.

Version 1

2021-04-27
Original release.