Not worth the hassle of making new ones when there are good aftermarket alternatives available.Tabu Design decals,as Ray already mentions,are an excellent choice.I used their decals on my McLaren Mp4/5B recently and they are superb quality.Very thin with hardly any excess carrier film and fantastic print quality throughout the whole sheet and reasonable pricing as well.I would also recommend FMD decals.They do a full sheet with all the markings and you also get a seperate sheet with all the tyre markings as well.Also very keenly priced.
I would only make your own decals if there was simply no alternatives available.
Link to FMD decals
Here
Link to Tabu decals
Here
Hope this helps and welcome to the forum
