This is a dataset of vector single line drawings published in the paper "Single-Line Drawing Vectorization" by Interactive Geometry Lab at ETH Zurich. Some of these drawings appear in the paper (p.6: hummingbird / p.7: rabbit / p.10: dolphin) and some in the video (0.33: penguin, turtle, whale / 0.39: lion).
The whole set consists of 16 drawings, delivered in the formats AI, EPS, SVG and JPG.

Researchers can purchase a licence to use these drawings for their own study and publications for a licence fee of 119 €.
The redistribution of the dataset and commercial use is not permitted. Please read the General Terms and Conditions for the Use of Digital Images below and fill out the following form if interested.
These General Terms and Conditions (GTC) apply to all agreements concerning the use of digital images concluded between Felix Hornung (hereinafter referred to as the “Provider”) and the user. By acquiring a license to use the images, the user accepts these GTC.
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You may use the content in any manner that is not restricted or prohibited by this agreement. Subject to these terms, the rights granted to you by the Provider are as follows:
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