This is a collection of some of the best Customizers on Thingiverse, and an extension of glitchpudding's excellent Customizer collection: thingiverse.com/glitchpudding/collections/customizers. Customizer models on Thingiverse are generated from OpenSCAD code. Use the Customizers to create your own custom versions of each model, or click "View Source" to view the OpenSCAD code.