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Over on the Train forum a few months ago, @SavaTheAggie posted about his MOC called Quarter Scale Rail: Having worked out how the chain was made by watching the video, that post inspired me to come up with a MOC to allow moving Minifigs to be added to a MOC. The video below illustrates a sample of the Minifig Mover in action. Cutting straight to the case, building instructions are available on rebrickable.com. The primary design considerations were; for it to be compatible with the MILS system it was desirable for it to be possible to be run very slowly make it suitable for incorporation into MOCs Secondary design considerations were; to be able to achieve a 180 degree turn within the with of a single baseplate to aim to have small modules which could be joined to form a larger be assembly Comments/learnings/observations Each set of building instructions illustrates a baseplate within a building step. The baseplate is for reference purposes only and is not listed in the parts. The premise of including the baseplate is to show the relative placing of the parts with respect to a MILS baseplate. Experience suggests that the channel in which the chain runs needs to be perhaps 22 LDUs (LDraw units) wide. This width is reflected in the construction. If you try to build the channel 20 LDUs wide (i.e. the width of a 1 x N brick) you will likely find it too tight for the chain to run smoothly. The Minifig Mover is presented as a foundation on which to build. Thus, as can be seen in the video, the motor and tensioner assemblies are exposed. The suggestion is to build appropriate elements of a MOC to contain/hide these assemblies. Via the MOC posting on Rebrickable, you can download not only the building instructions but the original LDraw files too. The premise of doing this is to encourage others to use the design as a starting point and then publish improvements or alternative track modules. Regards, David