Page 48 - FDMAsia Sep/Oct 2026
P. 48

46   DESIGN                                                                       SEP/OCT 2026 FDM ASIA | www.fdmasia.com






          and broader user experience of the proposed system, including   a virtual design in the physical world, with the total material
          perceived usefulness, user satisfaction, sense of presence,   cost estimated within approximately eight percent of the
          immersion, and overall interaction quality, remains an important   actual ordering cost.
          direction for future research.                        The successful reproduction of the chair demonstrates
            Comparative evaluations with existing design and DIY   that  the  system  can  bridge  the  gap  between  virtual  design
          tools would also help clarify the advantages and limitations   and physical fabrication, offering a practical pathway for DIY

          of the proposed approach.                          enthusiasts,  design  students,  and  furniture  professionals  to
            Another area for future extension is the development of an   translate creative ideas into tangible objects.
          automatic assembly procedure generation tool for constructing   Several directions for future improvement remain. Reducing
          physical furniture.                                cutting and joining misoperations and improving the fidelity
            Based on information about objects designed in the virtual   of physical reproduction by recording additional positional
          environment, it may be possible to provide users with step-  information in the exported blueprint would further enhance
          by-step assembly instructions by overlaying 3D models of the   usability and practicality.
          wooden components onto the actual materials while they work.   Adding visual cutting guides, virtual measuring tools, and
            Such a system would further bridge the gap between virtual   numerical attachment-point data would improve fabrication

          design and physical construction, reducing the cognitive load   accuracy.
          on users during assembly.                             Extending the system with the Meta Quest's passthrough
                                                             capability could let users overlay a virtual object directly onto
          Conclusions                                        physical space while refining a design and supporting multiple
          This  study  proposed  a  VR-DIY  system  that  supports both   simultaneous users could enable collaborative DIY between
          the process of designing furniture inside VR and the physical   geographically distant users.
          fabrication of the resulting design.                  Developing automatic assembly instruction generation

            The system implements seven core functions: object   would  further  reduce  the  gap  between  virtual  design  and
          generation, object cutting, object joining, save/load, part   physical construction.
          alignment, PDF blueprint export, and material cost calculation.   The findings of this study suggest that VR-based furniture
            Using this system, a user can design furniture in VR   design with blueprint export has the potential to lower the
          without the material loss, injury risk, and trial-and-error costs   barriers to physical DIY, reduce material waste, and support
          associated  with  physical DIY,  inspect  the  resulting  object   more sustainable and accessible furniture making.
          part by part, and obtain a blueprint document reporting the   The proposed workflow—from virtual design to blueprint to
          dimensions and cost of every part.                 physical assembly—offers a practical pathway for translating
            Combined with a wood custom-cut ordering service, this   creative ideas into tangible objects, with applications in DIY,

          blueprint allows the required materials to be obtained and the   design education, industrial prototyping, and collaborative
          design reproduced in the real world.               design environments.
            As a preliminary trial, we fabricated a chair based on a   By enabling users to iterate freely in VR before
          blueprint generated by the proposed system using a wood   committing to physical  materials, the  system contributes
          custom-cut ordering service.                       to more efficient use of resources and more confident,
            This trial provided  evidence  that the  proposed  blueprint   successful making.  FDM
          export function provides sufficient information to reproduce                          ENQUIRY NO. 5301
   43   44   45   46   47   48   49   50   51   52   53