The new Linkage 3.5 is now available. It has connector settings to make a rotating input anchor oscillate between two angles (the first always being zero) with a settable starting position that also gets set automatically when pinning the mechanism.

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There is also a new start position setting for linear actuator links. This also gets set automatically when the mechanism is pinned or can be set in the link properties.

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Links to the download files are here: http://blog.rectorsquid.com/linkage-mechanism-designer-and-simulator/.

These are brand new little tested features so please report problems if you see them. I opted to release this instead of doing a beta test because no one uses the beta versions but me. Anyone interested in testing these features for me can just try them and see if anything goes wrong!