![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/10/IMG_5661-768x1024.jpeg?resize=768%2C1024)
![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/10/IMG_5687.jpeg?resize=768%2C1024&ssl=1)
![](https://i0.wp.com/www.automaticprojects.com/wp-content/uploads/2023/10/IMG_5688.jpeg?resize=900%2C675&ssl=1)
There is a satisfying irony when a plastic part on a 3D printer breaks. In this case, one of the small red caps that covers the knurled knob on either side of the build plate split, so I quickly modeled and printed replacements in clear polycarbonate.