I show the process of making some replacement buttons for my Smart ForTwo car key with 3D printing.

00:00 Intro and Preparation
01:21 FreeCAD
02:58 FreeCAD SVG import struggles
07:36 3D printing with Prusa MK3S+
09:16 Removing tiny PETG print from PEI sheet in the sink
10:46 Gluing in the new buttons
16:54 Inspecting the repaired key

Files for 3D printing:
https://www.printables.com/model/1025...