In this episode we answer your questions on CNC big block with David Ewing, EMEA Product Manager - CNC Machining at Protolabs. See below for a list of questions answered in this session:

• What is meant when you refer to the term "Big Block"?
• What materials are open to Big Block?
• What kind of tolerances can be achieved with the Big Block capabilities?
• What is the minimum quantity I can have if I choose CNC?
• What kind of materials are used in CNC & what should I consider when selecting for my machined parts?
• I'm looking to have a logo put on to my part, is this worth doing?
• What is the minimum wall thickness on a machined part?
• On the topic of undercuts, what kind of clearance would you recommend?

Get involved in future sessions by sending in your questions to ProtolabsQA@protolabs.co.uk or use #ProtolabsQA.