Note: includes LaFactoria3D's original mask parts that this is designed to fit. It's a good design, and I include it here because they have since updated it in a way this no longer fits. If you feel their updated version provides better protection I urge you to use it instead.

Replacement cap for LaFactoria3D's COVID-19 MASK

While printing mask parts for Lowell Makes I wanted to find some way to help healthcare workers with printed masks to relieve some stress. Making replaceable caps seems the best way to decorate; these clip right onto existing masks without interfering with function and maybe they can lighten the mood in pediatrics.

This is my sixth model: the Kumamon version. It clips in place of the existing cap, doesn't interfere with airflow, is lightweight, and should fit under face shields. For best results, add a piece of black felt just inside the open mouth to hide the mask. As I want to make more that are kid-friendly, I plan to adapt this into a Totoro smile as well (to share soon as well). I haven't printed this one yet, but find it slices cleanly in Cura.

How to assemble these efficiently and what to look for in filtration materials can be found here, thanks to GiveWave Studios: https://youtu.be/9ItpExBEieY

If you find any issues with it or think of ways to improve its design, please let me know. Feel free to modify this and share it to the community.