A 3D-Printable Dataset for Fair Testing and Comparisons of Tactile Sensors

• URL: http://arxiv.org/abs/2606.25886v1
• Date: Wed, 24 Jun 2026 14:27:16 GMT
• Title: A 3D-Printable Dataset for Fair Testing and Comparisons of Tactile Sensors
• Abstract summary: Existing texture datasets for tactile sensing primarily consist of sensor readings from a specific sensor interacting with available surfaces/objects.<n>We introduce a 3D-printable dataset of mathematically defined textures designed to be fabricated reliably across different printers and filament types.
• Score: 0.5803335081904312
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Existing texture datasets for tactile sensing primarily consist of sensor readings from a specific sensor interacting with available surfaces/objects rather than describing the textures themselves, limiting fair comparison between tactile sensors and hindering reproducible research. In this work, we introduce a 3D-printable dataset of mathematically defined textures designed to be fabricated reliably across different printers and filament types. The dataset consists of six parametrically generated surface patterns derived from combinations of sine-wave and Fourier-based functions, giving controlled variation in spatial frequency, amplitude, and directional structure. We evaluate the reproducibility of these textures across three popular 3D printers and multiple filament types by measuring variance in images captured using an optical TacTip sensor under controlled contact conditions. Our results show that print quality, particularly peak sharpness and stringing, affects tactile variance, with higher-end printers producing significantly more consistent signatures. Classification experiments using neural networks and PCA-based models further demonstrate that high-quality prints support strong within-printer generalisation, while cross-printer generalisation remains challenging due to geometric inconsistencies. This work establishes the first openly available, physically reproducible 3D-printed texture benchmark, providing a foundation for fair comparison of tactile sensors.

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