Anyone know of a program for designing simple mechanical systems (gears, levers, etc)?

I'm trying to design a complicated wind-powered whirligig that has a lot of gears and levers in it; I would love to design it on a program that would allow me to test out variations before I get to actually building it. Has anyone seen a program that can do that?

Much appreciated,


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rickharris5 years ago

is a gear drawing template - I recommend browsing Matthias Wandel's site anyway at  if your building automata.

Levers shouldn't be a problem in any of the 2D drawing systems around ( search fro Free CAD) or any drawing system that will allow measurements and print at 100 %

What do you say about this?
If anybody knows where to get it please post here!

ALONSIU1 year ago

ALONSIU1 year ago

Edgar1 year ago

Just found this, an online simulator.

try this one Delgear software. that might work. thanks.

damianzuch (author) 4 years ago
Hold the phone! Someone just sent me this - - and holy smokes, it is just amazing! Oh, Disney Research Labs...

It doesn't seam to be available to the public, unless I am missing something. Ig you know where to obtain this software that would be amazing!!

damianzuch (author)  Mdroll3 years ago
I emailed one of the designers and he said nope, it's not available to the public. Such a drag, I'd love to try it out!

Thats a bummer. But Autodesk makes an app for android called "ForceEffect Moition" that also runs on bluestacks for the PC. I use it to design my whirligigs in minutes. it cannot simulate gears, but you can set a motor to the same size as a gear and will do the same thing. Also the woodgears template ($25) is amazing use it all the time to make my gears. I have also played with Gearotic and really is the best but pricey at $125.
Foam-Smith5 years ago
could try the web site ( ) its a good web site for a lot of PC/MAC programs all for free. Its viruse free. dont worrie. ive used it all the time and have had no problems with my computer
jamngary5 years ago
Autodesk Inventor is good, but I use cad myself. There are many paid versions of CAD, but there is a free one that does the same stuff:

You should really try it!
jeffrey42835 years ago
Autodesk Inventor has a suite of tools within it just for gear design and is available in a student version from them with I think a 2 or 3 year license not to mention all the other tools in the software.
blkhawk5 years ago
Thermionic5 years ago
I'd love to find one myself.
Autocad has some nice 3d add-on's.  We do not use Microsoft Windows anymore so IIt is of no use to us.   Picked this one up from a web search engine:
Qcad with add-on libraries.(
damianzuch (author) 5 years ago
This is great - thanks all! I've also been looking into a Sketch Up plugin called Sketchy Physics, I don't know how easy it is to use yet.

OK, I'll dig around your recommendations,



(youtube example of sketchy physics):
Try something like "Algodoo", the program formerly known as "Phun". I think you can draw things near enough to scale to get away with it.

FoolishSage5 years ago
I have seen people using Solidworks to design mechanical systems. 3D modelling software with all kinds of mechanical settings (rotation axis, impact boxes, etc). I haven't used it myself so i don't know how well it it will suit your specific purpose but i think it is worth a try.
Blender is always good, but I don't know if it can test variations