The lens cover is important to protect the expensive camera lens from damage. Dust, grit, and other annoying things can quickly destroy the quality of the shot, and if you are unlucky, it can even permanently damage the lens. However, the lens cap is also easy to lose.Therefore, it is useful to be able to make your own, and [DSLR CNC DIY] There is a bottom line on how to do this.
The advantage of printing your own lens cap is customization. Regardless of your lens size and shape, when you 3D print your own hat, you can design it to fit. The video also shows the benefits of being able to embed text directly into the main body of the lens cap, so you will never be confused about which lens goes with which lens. The cover uses the metal rod of the binding clip to provide the clamping force required to hang on the lens. This is an improvement on the design of some living hinges that weaken over time.
In general, if you have a bunch of lenses that require new lens caps, this might be your project. This may also be cheaper and easier than finding replacement caps for obscure lenses online. Or, think about what you can do with fancy lens adapters. Video after the break.