Interference Scanner Laser and Pinhole Sled

This is a laser holder for the optical interference experiment, as seen on youtube: https://www.youtube.com/watch?v=ZH40mvSFI-g

This part accepts a 12mm x 30mm laser module.

I made the aperture slot smaller for a better span.

For those who would like to help me continue making things, here is my Patreon Page: https://www.patreon.com/brendaem