It is important to remember other angles rules, such as angles on a straight line add up to 180°, and to recognise angles in parallel lines. Make sure you are confident in applying Pythagoras’ theorem ...

Cross threading occurs when the bolt is misaligned with the threads in the nut. It can destroy the threads, or cause the nut to jam. The standard beveled end process makes cross threading a ...

This file provides 2D masking shapes that you can use with edge_profile() to mask edges. The shapes include the simple roundover and chamfer as well as more elaborate shapes like the cove and ogee ...