Stackable Nesting Stencil System for Uniform 3D Modeling
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Solution Overview
Problem
Users face challenges in consistently forming modeling compound creations due to the lack of uniformity and repeatability when using traditional methods like free forming or simple molds, leading to variations in shape and detail.
Innovation Solution
A multi-dimensional, stackable/nesting stencil or mold system that guides users in forming 3-D objects by layering modeling compound materials, with each stencil or mold aligning and interlocking to ensure reproducibility and detail, marked for correct sequence, and optionally using an armature core for added stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional free-forming or simple mold methods are used, then users have flexibility in creating shapes, but the creations lack uniformity and repeatability
Solution Approach 1:
The stencil system is divided into multiple individual stencil pieces, each representing a specific layer or component of the final creation. Users can select and combine only the stencils needed for their specific project, rather than using a single complex mold. This segmentation enables consistent reproduction of designs while keeping individual stencil pieces simple and manageable.
Solution Approach 2:
Multiple stencil pieces are designed to nest within each other when not in use, with larger stencils containing smaller ones. This nesting arrangement allows users to store and organize multiple stencils in a compact manner without requiring additional storage space or complex organizational systems, thus reducing overall device complexity while maintaining the ability to create uniform, repeated designs.
2Manufacturing precision
If multiple separate molds are used to create detailed 3-D objects, then design detail can be achieved, but the process becomes time-consuming and less reproducible
Solution Approach 1:
The stencil designs are pre-planned and pre-cut into specific shapes before use. Each stencil represents a predetermined layer or component of the final 3-D object, allowing users to simply trace or press the pre-designed shapes into the modeling compound without needing to manually create each detail from scratch. This preliminary preparation of stencil shapes significantly speeds up the creation process while maintaining consistent detail quality across multiple reproductions.
Solution Approach 2:
The system transitions from traditional 2-D stencil cutting to 3-D layered construction. By stacking multiple stencils at different heights and angles, users can create complex 3-D forms with detailed surfaces. Each stencil contributes a specific dimensional layer, and the combination of multiple dimensional layers produces the final intricate 3-D object, achieving high detail while maintaining productivity through the systematic layering process.
3Area of stationary object
If stencils are designed to be stackable and nesting, then storage space is reduced, but alignment and assembly become more critical
Solution Approach 1:
Each stencil is designed with unique asymmetric features such as irregular perimeter shapes, varying thicknesses, and distinctive cutout patterns that prevent any two stencils from being incorrectly stacked. These asymmetric characteristics ensure that only the correct stencil can be placed in the correct position within the nesting arrangement, providing built-in alignment guidance without requiring additional measurement tools or complex assembly procedures. The asymmetric design thus reduces storage space while maintaining alignment accuracy through inherent geometric constraints.
Data Source
AI summary
The technology described herein relates to a system of stackable/nesting stencils or molds for creating 3-D objects using a modeling compound material. The stencils or molds can be filled with the modeling compound material by hand and/or leveled using a roller to flatten the compound material more smoothly for a better outcome. Each stencil has a level and nests with another corresponding stencil of the set in a designated order. In some aspects, in order to guide a user with the correct designated order in which to fill the stencil plates or molds, each stencil plate or mold may be provided with a numbered tab. Once all the stencils are filled in the designated order with modeling compound materials, the stencil plates can be removed level by level to reveal a finished 3-D object. These 3-D objects may be anything from characters, vehicles, objects, figurines, and the like.