Short description
We design a 3D printed toothbrush cup holder with fully adjustable dimensions. The model is based on a parametric design approach and can be adapted to different cup sizes and mounting conditions. The focus is on practical use and reproducible fabrication.
How-to project description
Project goal
The goal is to create a functional toothbrush cup holder that can be adapted to various cup diameters and clearances without redesigning the model. The holder is intended to be stable, moisture resistant, and suitable for everyday bathroom use.
Basic idea / concept
The part is designed as a parametric 3D model. Key dimensions such as cup diameter, wall offset, wall thickness, and holder height are defined as parameters. This allows individual adjustment before printing while keeping the core geometry unchanged.
Construction / assembly
The holder consists of a load-bearing base structure with a circular or slightly conical cup interface. Depending on the configuration, mounting can be done using screws and wall plugs or via a flat rear surface for adhesive mounting. Fillets and sufficient wall thickness are used in all load-bearing areas.
Materials & tools
- FDM 3D printer
- Filament such as PETG or ASA for improved moisture resistance
- CAD software supporting parametric modeling
- Optional screws, wall plugs, or mounting adhesive
- Measuring tools for determining cup dimensions
Implementation notes
For bathroom environments, we recommend filaments with good resistance to moisture and temperature changes. The print orientation should minimize loads across layer lines. For adhesive mounting, surfaces should be clean and free of grease.
Conclusion / context
The parametric toothbrush cup holder is a practical example of functional 3D printing for everyday applications. Its adjustable dimensions make it suitable for personal use as well as for customized variants or small-scale production.
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