Just set it aside for awhile. I just finished some BOM that was triangles. I used Thangles to make my HST. You might try using them. Thangles come in several different sized, depending on what size triangles you need. Thangles are paper strips with lines on them to sew on & ones to cut on. You pin them on your strips of fabric RST & then sew on the lines. Works great for beginners.