Stir in sugar, salt, eggs, shortening, and 2 cups of flour. Beat until smooth. Mix in remaining flour until smooth. Scrape dough from side of bowl. Knead dough, then cover it and let rise in a warm place until double (about 1-1/2 hours).
Punch down dough. Divide in half. Roll each half into a 12-inch circle. Spread with butter. Cut into 10 to 15 wedge. Roll up the wedges starting with the wide end. Place rolls with point under on a greased baking sheet. Cover and let rise until double (about 1 hour).
Bake at 400 degrees F (205 degrees C) for 12-15 minute or until golden brown. Brush tops with butter when they come out.