This is a 3D design of a Ignition Timing Plate, to be used in the timing of Fiat 500 or Fiat 126 engine.  It sits on the oil pump casing and can be used with a timing gun to set the advance or retard of the engine timing.  The design is based on the original Fiat Tool SAT-Ap. 5030/1.  This is a *.step file that can be used to 3D Print the design in any material desired.  
 
All test pieces were produced by www.surfacescan.co.uk - Material: PLA, Layer thickness: 200.0 µm; Filling: 50% infill