Rapid Prototyping by CNC 1.Material:stainless steel,aluminum,steel ... Finish:polish,paint,plating etc 3.Fast deliv Item No.:Rapid Prototyping by CNCSLA and SLS: Why Use StereolithographyStereolithography is very ... similar to the SLS(Selective Laser Sintering) prototyping process.It's best to use SLA,when surface ... Car Model,Motorcycle Model,Radio Control Toy Model etc. Rapid Prototyping by CNC