Use a fixed 20 minute split: 5 warmup, 10 focused drill, 5 quick shading. Mon lines with a shaded sphere, Tue ellipses and cylinders with a shaded cylinder, Wed boxes with a shaded cube. Thu contour simple household objects and shade one form, Fri value scales and smooth gradations. Sat one-page study combining lines, ellipses, and boxes, Sun review and redo your two weakest drills. Track by dating each page and writing drill counts at the top, then do a 60 second weekly flip to compare day 1 to day 7. Stop at 20 minutes to protect consistency.
