using set square to draw parallel and perpendicular lines
18:03
Drawing parallel and perpendicular lines using set squares
4:14
Draw Perpendicular on a Line (at the ends and at any point on the line)
13:17
Representing the square root of 2 and 3 on number line.
8:51
Basic Lines & Curves for Kids || How to draw an object using Lines & Curves || Learn Lines & Curves
14:26
Using the Drawing Board, sliding ruler and drafting head.
13:33
3d drawing wall on paper for beginner step by step
21:36
Art Lessons with Rossi: Two-Point Perspective: Sphere
6:48