When machining services from service providers are needed, a 3D project can take 20 to 45 days to reach the shaper because of the volume and the machining queue of that company. This time greatly harms the shaper when it comes to setting a deadline for his order, making the customer often buy from another brand that can deliver the board much faster.
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Another very common problem is that the machining does not come true to the 3D project sent by the shaper. In this case, in addition to waiting for a long period to receive your machined project, either the shaper returns the product and requests a new machining, having to wait again for a delivery queue, or it contacts its customer and communicates what happened, generating wear and tear and often the cancellation of the order.