I enhanced the "Trammel of Archimedes" by Madox to a three-way-version to realize the same functionality (nothing) with a bit more effort. It's drawn from scratch too but I tried to keep his design. The slider is unmodified and uploaded here only for completeness purposes.
The instructions are the same as provided by madox but you'll need one additional slider and screw.
in the same manner as loubie (https://www.thingiverse.com/thing:1350837) I found out that hundreds of models from thingiverse are sold on ebay ignoring the CC license the models were shared with here. https://www.ebay.com/str/3D-Pyro-Prints
The Vero-Team from ebay does neither accept thingiverse or makerbot as a legal corporation nor the CC-license as a justiciable license.
Thingiverse itself also declines to give the members support to enforce the rules of the CC and recommends only to continue the ridiculous and useless dialog with the vero-team and the parasitive sellers or to contract a own lawyer to stop this sellers.
In fact the CC is not worth the click to select the right type for the shared models.
So I'm forced to remove all my models here. I'm not willing to waste my spare time for the profit of these antisocial parasites.
If you are interested to get the models files contact me please. If you are an active member here and shared own models here I would be very glad to send you the files.