Question 1: Define isometric drawing and explain one advantage of using this technique in design.

Answer: Isometric drawing is a method of representing three-dimensional objects on a two-dimensional surface, where the three axes are equally inclined at 120 degrees. An advantage is that it allows for accurate representation of object dimensions without perspective distortion.

Question 2: Describe how the axes are oriented in an isometric drawing relative to the drawing paper.

Answer: In an isometric drawing, the three axes are equally spaced at 120 degrees from each other, with two axes typically drawn at 30 degrees to the horizontal and the third vertical or also at 30 degrees, creating a 3D effect.

Question 3: Explain why isometric drawings are useful in product design.

Answer: Isometric drawings are useful because they clearly show all three dimensions of an object in a single view, making it easier to visualize the final product and communicate design details accurately.

Question 4: Draw an isometric cube in the space provided. Ensure all edges are straight and the angles are accurate.

Answer: A correct sketch will feature a cube with all edges parallel to the three main axes, with the front and top faces visible. The lines should be straight, and the angles between axes should be 120 degrees where applicable.

Question 5: Sketch a simple isometric view of a rectangular box with a lid. The box should be positioned at an angle so that the front, top, and side are visible.

Answer: A proper sketch will show a rectangular prism with the front face as a rectangle, the top face as a parallelogram, and the side as another rectangle, all aligned along the isometric axes. The lines should be neat and accurate.

Question 6: Identify three key features that distinguish an isometric drawing from a perspective drawing.

Answer: In isometric drawing, parallel lines remain parallel, there is no vanishing point, and the scale of dimensions is preserved equally along all axes. In perspective drawing, lines converge at a vanishing point and objects appear smaller as they recede.

Question 7: Draw a simple isometric house outline that includes a rectangular base, a triangular roof, and a door. Use the space provided.

Answer: A correct sketch will show a rectangular base with a triangular roof on top, a door on the front face, all aligned with the isometric axes. The lines should be straight and proportionate.

Question 8: Describe the steps you would take to draw an isometric cylinder.

Answer: First, draw two concentric ellipses for the top and bottom of the cylinder, aligned along the isometric axes. Then, connect the edges of the ellipses with straight lines to form the sides of the cylinder, maintaining consistent angles.

Question 9: Sketch a simple isometric drawing of a ladder leaning against a wall, with the ladder at an angle. Use the space below.

Answer: The sketch should include a ladder drawn with parallel rungs, leaning at an angle, with the side rails aligned along the isometric axes. The wall should be represented as a vertical face, and the ladder's top and bottom should be correctly positioned relative to the wall.

Question 10: Explain how you can check the accuracy of your isometric drawings.

Answer: You can check by ensuring that all lines parallel in the object are parallel in the drawing, that the angles between axes are 120 degrees, and that measurements are consistent along the axes. Using a ruler and protractor can help verify angles and line lengths.