Blue spatial trajectory traced by a point on blue slider can be transferred to other place thanks to a orange joint and three parallelogram mechanisms (green, violet, brown conrods and yellow bars). The green conrod spatially translates. Each point on it reproduces the blue trajectory (green curve) thus the multiplying is possible.
In general the orange joint between the blue slider and the green conrod must be spherical. Center of the spherical joint coincides with the point that traces the blue trajectory. But in this special case no problem if the blue slider and the green conrod are fixed together by the orange part.