Alfa Romeo 4C

Two-file replacement set for the outer and centre HVAC control knobs. Both validated STL variants are required because the centre control and outer controls use distinct geometry. The source identifies the Alfa Romeo 4C application directly but provides no year or trim split. PETG or ABS is functionally inferred for cabin heat, repeated handling and dimensional stability; compare each shaft interface before installation.

Replacement handle for the convertible-roof latch on the 2015 4C Spider. The creator designed it after an original handle broke and supplies both the editable Fusion 360 file and validated STL; the editable source is archived. The creator used polycarbonate for southern heat and states ABS or PETG should also be suitable. Compare the pivot and latch engagement with the broken original and verify secure roof closure before driving.

Replacement 50 mm center cap for alloy wheels using OEM 60652886. The source recommends printing solid PETG because its PLA retaining clips broke, and the photographed part accepts a separate 50 mm emblem. Confirm the wheel opening and original cap diameter before installation. The single-cap STL is supplied; the optional four-cap print plate and editable SketchUp source remain preserved in the audit archive.

Two solid filler blocks for the jack-point air gaps. The creator printed them at 100% infill in ABS as a lower-cost alternative to 0.25-inch and 0.125-inch ABS or Delrin sheet.