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Google shares Fitbit Air blueprints so you can 3D print your own accessories

Google shares Fitbit Air blueprints so you can 3D print your own accessories The company released key measurements to encourage third-party add-ons. Google seems to be encouraging everyone to make their own Fitbit Air accessories, not just companies and brands. The company has released the tracker's technical specifications, along with its 2D CAD drawings to help you design accessories that fit the device perfectly.

Engadget 7d ago

SharpNet: Enhancing MLPs to Represent Functions with Controlled Non-differentiability

Announce Type: replace Abstract: Multi-layer perceptrons (MLPs) are a standard tool for learning and function approximation, but they inherently produce globally smooth outputs. Consequently, they struggle to represent functions that are continuous yet intentionally non-differentiable (i.e., functions with prescribed $C^0$ sharp features) without ad hoc post-processing. We present SharpNet, a modified MLP architecture that encodes user-specified sharp features by augmenting the network with...

arXiv CS 6d ago

Sketch2Arti: Sketch-based Articulation Modeling of CAD Objects

arXiv:2604.25781v2 Announce Type: replace Abstract: Articulation modeling aims to infer movable parts and their motion parameters for a 3D object, enabling interactive animation, simulation, and shape editing. In this paper, we present Sketch2Arti, the first sketch-based articulation modeling system for CAD objects. Our key observation is that designers naturally communicate articulation intent through lightweight sketches (e.g., arrows and strokes) that indicate how parts should move, yet...

arXiv CS 2d ago

Sketch2Arti: Sketch-based Articulation Modeling of CAD Objects

arXiv:2604.25781v3 Announce Type: replace Abstract: Articulation modeling aims to infer movable parts and their motion parameters for a 3D object, enabling interactive animation, simulation, and shape editing. In this paper, we present Sketch2Arti, the first sketch-based articulation modeling system for CAD objects. Our key observation is that designers naturally communicate articulation intent through lightweight sketches (e.g., arrows and strokes) that indicate how parts should move, yet...

arXiv CS 1d ago

Modeling, Optimizing and Exploring Multi-Die FPGA Routing Architectures

Announce Type: new Abstract: Die stacking has enabled 2.5D FPGAs by integrating multiple active dice on a passive silicon interposer for improved yield and capacity, and paved the way for 3D architectures that stack active dice directly atop one another. In these multi-die devices, the unique electrical and physical characteristics of the underlying die-stacking technology impose limitations on inter-die connection density and latency, necessitating a bespoke inter-die routing architecture....

arXiv CS 5d ago