The model for the 3 d printing products, due to the nature of photosensitive resin material will lead to assembly accuracy than industrial production of the product.

Players need to trim polished 3 d printing support cone (green part), some slight hair dryer heating or bending deformation of partsHot water immersion to repair.

Part as a round hole may be because of the connecting shaft need to use a standard size print precision drill bit to adjust.Part used to locate the connection point of possible deviation of 0.1 mm, need to install after polishing, forcibly pressure can damage parts, printing parts than ABS material fragile a lot.