__ Freehand Sketching 13.5
(a)(b)Fig. 13.10 Sketching a Pentagonal PyramidFig. 13.11 Sketching a Hollow Cylinder Fig. 13.12 Sketching a Cone __ Freehand Sketching 13.5
(a)(b)Fig. 13.10 Sketching a Pentagonal PyramidFig. 13.11 Sketching a Hollow Cylinder Fig. 13.12 Sketching a Cone