If you need a smooth, unblemished end in your parts, we suggest choosing a secondary end: grained finish (can only be placed on the skin of machined enclosures resulting from geometry) or powder coat. Any deviation from this reproduction is often regarded as a defect. Precision machining is desirable https://edwinzznbq.onesmablog.com/5-tips-about-high-efficiency-cnc-machines-you-can-use-today-73502283