I import pcb from EasyEDA STD, and when export step 3d model it's stuck on 15%, in web also. When create new pcb  it's export correctly. I think it's because there are a lot of components on the PCB, but I have good hardware.
            
                        
            
                                    
              
                Chrome
                  115.0.0.0
                Windows
                  10
                                EasyEDA
                  6.5.34