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I did intend to post here before it was finished asking for comments and alike, but now it's done already.
For learning fontlab studio I took my favourite font DIN 1451 and added some ligatures. When the course entitled "Project work" came around I had already set my mind to either doing my own complete font, or modernizing DIN as far as time would allow me to. The course gave me 100 hours, but I likely put in closer to twice that.