You will find two variants: one with chamfer one the corners and the other with fillets on the semispheres on each face.Like any STL file, you can up/downscale the size for your desired application before printing. The idea here was to design something as a piece of art. Based in Italy, I'm an Additive Manufacturing & Design Engineer with 6+ years experience. Please let me know if you're looking a professional for your next project.Thank you