Cardboard display
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Solution Overview
Problem
Existing papercraft displays with deep reinforced shelves are difficult to assemble due to complex movements required for inserting flaps into eyelets or transverse reinforcement rods, and they often use non-recyclable materials.
Innovation Solution
A papercraft display design featuring shelves with protrusions and angular supports made from recyclable material, where shelves are easily inserted and supported by contoured struts and flaps, allowing for simple assembly and robust support without the need for complex assembly steps or non-recyclable reinforcement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If flaps are inserted into eyelets or transverse reinforcement rods are used to reinforce shelves, then shelf strength is improved, but assembly complexity increases
Solution Approach 1:
The side walls are divided into multiple portions (first, second, third portions) with different functions. The first portion provides structural support, the second portion contains the reinforcement element, and the third portion forms the shelf support surface. This segmentation allows the reinforcement to be integrated into the side wall structure itself, eliminating the need for separate assembly steps involving eyelets or transverse rods.
Solution Approach 2:
The reinforcement element is merged with the side wall structure by forming it as an integral part of the molded side walls. The contoured shape with protrusions and recesses is directly molded into the side wall portions, combining the reinforcement function with the structural support function, thereby simplifying assembly while maintaining strength.
2Stability of the object's composition
If traditional reinforcement methods are used, then shelf stability is improved, but the use of non-recyclable materials increases
Solution Approach 1:
All components of the display stand, including the side walls, shelves, and reinforcement elements, are made from the same recyclable plastic material. The reinforcement element is molded from the same material as the side walls, ensuring homogeneity and full recyclability while maintaining structural stability through the contoured design with protrusions and recesses.
3Volume of moving object
If deep shelves are designed to support large goods, then display capacity is improved, but the risk of shelf bending or breaking increases
Solution Approach 1:
The side walls are designed with different local qualities in different portions. The first portion has a standard thickness for general support, while the second portion containing the reinforcement element has enhanced structural properties with contoured shapes, protrusions, and recesses. The third portion is optimized for shelf support. This local quality differentiation provides targeted reinforcement where needed while maintaining deep shelf capacity for large goods.
Data Source
Figure 1
Figure 2~3b
Figure 4
AI summary
Described is a papercraft display (1) for displaying products and a set of respective blanks for obtaining it, said display (1) comprising a rear wall (2), two side walls (4) and at least one shelf (5), said at least one shelf (5) comprising two side edges (6); said display (1) being characterised in that it comprises a strut (7) in at each side wall (4), each strut (7) comprising a longitudinal body (8) having at least one protrusion (9), a protrusion (9) being provided for each shelf (5) of the display (1), said at least one shelf (5) comprising an indentation (10) at each side edge (6), said at least one shelf (5) being configured to be inserted between said walls (4, 2) of said display (1) so that said longitudinal body (8) of each strut (7) is inserted in the respective indentation (10) of each shelf (5), and to be supported, abutting below, by the respective protrusion (9) of each strut (7) at its side edges (6).