Perfect your lines in Procreate by watching our tutorial on “How to Make Smooth Lines in Procreate”. Draw Straight Lines in Procreate in One Step! Here’s a quick tip to draw a perfectly straight line in Procreate. Draw a Line and Hold it in Place All you have to do is draw a line. Hold the line in place. Procreate will straighten that bad boy up. So, however straight you want your lines, Procreate will make them straighter! Final Thoughts Now you have your perfect straight lines!