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The image on the right shows a modern chair design - Leaving Cert DCG - Question A-4 - 2022
Question A-4
The image on the right shows a modern chair design. It includes a curved plywood back, based on a cylinder which is truncated and shaped as shown. The drawing shows... show full transcript
Worked Solution & Example Answer:The image on the right shows a modern chair design - Leaving Cert DCG - Question A-4 - 2022
Step 1
Complete the elevation.
Answer
To complete the elevation, first observe the incomplete view of the plywood back. Identify the curvature and ensure the top and bottom edges are created symmetrically.
- Identify Key Points: Points
m,p,q, and corresponding lines should be marked accurately to reflect the curvature shown. - Draw the Curves: Create smooth curves that represent the curvature of the plywood back seen in the plan.
- Add Dimensions: Ensure to label any visible dimensions for clarity.
Step 2
Complete the surface development.
Answer
For the surface development:
- Project Vertical Lines: From points
XandYin the elevation, drop vertical lines to establish the height of the back. - Construct Base Curve: Use the end view to create a base curve that aligns with points
m,p,qfrom the elevation. - Connect Points: Connect the projected vertical lines horizontally to create a grid, ensuring the curves match the cylindrical shape observed in the end view.
- Finalize the Shape: Smoothen out the shapes created by the intersections of the vertical and horizontal lines to ensure a proper surface development.