I’ve found a bug. In MoBu 2015 the pull box (Pull Vector, Pull Number) simply doesn’t work. In MoBu 2014 it doesn’t work when you are using it in macro.
Driven property constraint has been updated. Update includes: mobu 2012 64bit fix displaying properties in UI when reset constraint add load/save constraint properties Plugin home page here.
Constraints have a very useful opportunity to update the position of objects in the evaluation thread. For example, I have a plug manipulator, which manages a set of objects in the scene. On the one hand could simply ask the