We used to put small propellers on the handlebars of our bicycles when we were kids. Now we got older but we can still do the same thing to our cars or motorbikes. I’ve been designing some toys for big boyz recently.
There are several versions, all stl files are included in the following pages.
I’ve made this several years ago. It is intended for converting your Fiat 126 engine to electronic ignition. The model is 3d printable. I’ve tested it with ABS plastic filament which gave good results. It wa able to withstand the temperature in the engine bay. Of course if possible it is advicable to use more heat resistant materials.
Read on for more information, photos and the links for downloading the STL files for 3d printing.