If the PNG appears transparent when it should be solid, check the image's "Alpha Channel" (Cmd+i on Mac) or use a mask in your software. To help you better, could you let me know:
Are you working in ?
To create a "solid feature," you are likely looking to turn a 2D sketch into a 3D part using tools like Extruded Boss/Base , Revolved Boss/Base , or Sweep . 1234567.PNG
Are you trying to make a , or set a solid background for a picture? Once I know, I can give you the exact steps. Features - 2021 - SOLIDWORKS Design Help If the PNG appears transparent when it should