In plain words: The system writes the 2D sketches at the heart of 3D CAD models as text-like sequences and uses a language model to generate new ones, sparing engineers the hand-drawing. It made complex sketches both from scratch and from a picture of a part.
Abstract
Computer-Aided Design (CAD) applications are used in manufacturing to model everything from coffee mugs to sports cars. These programs are complex and require years of training and experience to master. A component of all CAD models particularly difficult to make are the highly structured 2D sketches that lie at the heart of every 3D construction. In this work, we propose a machine learning model capable of automatically generating such sketches. Through this, we pave the way for developing intelligent tools that would help engineers create better designs with less effort. Our method is a combination of a general-purpose language modeling technique alongside an off-the-shelf data serialization protocol. We show that our approach has enough flexibility to accommodate the complexity of the domain and performs well for both unconditional synthesis and image-to-sketch translation.
Yaroslav Ganin, Sergey Bartunov, Yujia Li, Ethan Keller, Stefano Saliceti
arXiv:2105.02769 · cs.CV, cs.LG · submitted May 6, 2021
abstract · pdf · html · 24 pages, 11 figures, 3 tables