Zerocat’s Turning Hook  v0.0.0
A motor driven heavy load shank hook.
Zerocat’s Turning Hook Documentation

The Turning Hook is a motor driven shank hook for heavy loads of up to 1000kg.

See Related Pages to get started.


The files that ship with Zerocat’s Turning Hook fall into five categories:

  1. hardware design sources (files from gEDA-gschem, PCB-Designer, OpenSCAD, LibreCAD, etc.)
  2. code sources (text files with syntax of C, ASM, Makefile, Propeller-Load Configuration, Doxyfile, bash, scheme, etc.)
  3. documentation files (markdown, simple text)
  4. graphics and photos (files made with Scribus, Inkscape, Gimp, etc.)
  5. logo files (files made with Scribus, Inkscape, Gimp, etc.)

In general the following rules apply:

  • If not otherwise stated within this project, all files are copyrighted: Copyright (C) 2017 Kai Mertens <>.
  • A license header is placed within the files if applicable.
  • "1. hardware design sources" and "2. code sources" are licensed under the GNU GPLv3 or later. The license itself is shipped as COPYING.
  • "3. documentation files" are licensed under GNU FDL 1.3 or later, without invariant sections, front-cover texts or back-cover texts. This license is shipped with COPYING-DOCUMENTATION.
  • "4. graphics and photos" are released under the CC BY-SA 4.0 International Public License. The URL to the license text is shipped with COPYING-GRAPHICS.
  • "5. logo files" are released under the Zerocat Logo License. This license is shipped with COPYING-LOGO.

Proprietary Exceptions

  • 514_wmhss_v2.gif has been downloaded from an internet shop and is probably not available under a free license.