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         SLA wall thickness issue for microfluidic channels                    
                            
                
    
            
    Hi, I created a 3D design for a small microfluidic part using SLA (Clear Resin) with internal channels ~0.4 mm wide and wall thickness around 0.5 mm. The function relies on optical inspection through...        read more
                1
                968
                Jul 29
            
         Embossed vs. engraved text for outdoor molded parts                    
                            
                
    
            
    Hi there, I need to add a part number and recycling symbol on the surface of molded parts in PP GF20 for outdoor use. I initially planned to use engraved text for aesthetic reasons,...        read more
                3
                1.5k
                Aug 08
            
         Minimum hole diameter vs sheet thickness 316L                    
                            
                
    
            
    Hello, I would like to produce a stainless steel 316L bracket, 3 mm thick, cut by fiber laser. I need to include several small holes for drainage and fastening, and I’ve heard there might...        read more
                3
                1.7k
                Aug 01
            
         Choosing the Right Material for Injection Molding – What’s Your Go-To?                    
                            
                
    
            
    Hey everyone! I’m working on a few small-batch parts and weighing my options when it comes to materials for injection molding. I've used ABS and polypropylene in the past, but I'm curious—what materials do...        read more
                0
                1.1k
                Jul 18
            
         Ejector pin placement near snap-fit                    
                            
                
    
            
    I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where to place the ejector...        read more
                5
                2.2k
                Jul 18
            
         Ejector pin placement near snap-fit                    
                            
                
    
            
    I’m working on a small injection-molded housing for an automotive sensor, using PA6 GF30. There are two snap-fit arms inside (cantilever type), about 2 mm-thick walls. I’m not sure where to place the ejector...        read more
                0
                635
            
         Best 3D printing material for child-safe educational toy prototype                    
                            
                
    
            
    Hello! I need advice on a small prototype for an educational toy aimed at children aged 3–6. It consists of interlocking geometric shapes (around 8–10 parts per set), with no mechanical function. I’m planning...        read more
                2
                1.3k
                Jul 16
            
         Alodine coating enough for avionics enclosures?                    
                            
                
    
            
    Hi there, my project is a CNC machined enclosure in 6061-T6 aluminum for an avionics module that’ll be mounted in a wing compartment exposed to temperature swings, some humidity, but not direct salt spray....        read more
                2
                1.2k
                Jul 15
            
         Feasibility of sharp internal corners in CNC-machined                    
                            
                
    
            
    I'm about to place a CNC machining order for a small ABS housing with some detailed features, but I’m unsure if the internal recess can be manufactured as designed. The model includes sharp internal...        read more
                2
                1.2k
                Jul 09
            
         Resistant material for small gear system                    
                            
                
    
            
    Looking for the best material for a locking mechanism for an electric vehicle charging connector. Essentially a small gear system that engages to prevent unplugging during charging. The gear teeth are low-load but need...        read more
                2
                1.1k
                Jul 04
            