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The 3D graphic on the right shows a perfume bottle and its storage box - Leaving Cert DCG - Question C-3 - 2017
Question C-3
The 3D graphic on the right shows a perfume bottle and its storage box. The projections of the storage box are shown in Fig. C-3 below. (a) Draw the given views ... show full transcript
Worked Solution & Example Answer:The 3D graphic on the right shows a perfume bottle and its storage box - Leaving Cert DCG - Question C-3 - 2017
Step 1
Draw the given views of the box.
Answer
To draw the given views of the box:
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Elevation: Start by drawing the elevation view based on the provided dimensions. Ensure that the height of the box is represented accurately at 70mm and the width at 40mm.
- Draw the straight sides vertically according to the dimensions provided.
- Incorporate the curved surface by implementing circular arcs at the appropriate positions (radius R60).
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Plan View: Next, draw the plan view of the storage box.
- Represent the top view where the width remains 40mm and the length is determined by the base structure shown.
- Ensure that the curved edges are depicted with the same arcs as in the elevation.
Step 2
Project an end view of the box.
Answer
To project the end view of the box:
- Draw the outline by representing the box in a side view.
- The height will be measured at 70mm just like in the elevation view.
- Incorporate the width of 20mm in the structure and ensure to represent the curved ends as well, drawing arcs corresponding to the horizontal measurements.
Step 3
Draw a one-piece surface development of the box.
Answer
For the surface development of the storage box, follow these steps:
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Layout: Start by laying out a flat surface that can be folded into the box shape.
- The bottom surface should measure appropriately to fit the base, with a width of 60mm.
- Create two curved surfaces on either side based on the arcs defined previously, with R60 curve dimensions.
- Include the inclined surfaces and determine the measurements as they sit at angles to the vertical.
- Finally, verify the top surface aligns with the top closure of the box.
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Presentation: Lastly, arrange the developed surface neatly for clarity, emphasizing the connection lines and folds necessary for assembling the box.