A year of hard work is finally going from the workshop to the flame.Students from across Fond du Lac spent months building custom, one-of-a-kind grills. And today, they got to show them off.Parker McCarthy is a senior at North Fond du Lac High School and was the lead on their project and says it was no easy task."We did this in about 3 and half months, almost 4. We faced a lot of challenges along the way with messing up a lot of tubing and stuff…