Kitchen Curtains Holder

I needed a holder for the kitchen curtains that would leave enough space for the roller blind. I wasn't a fan of the options I found in stores, so I decided to make my own. You can use an 8 mm aluminum rod from the hardware store as the rod.
The holders are attached with double-sided adhesive tape. After a while, one of the holders fell off a few times, but it was either really cold or really hot. It could be that the adhesive tape isn't up to par, isn't compatible with PLA - it stuck well to the window, I got stuck with the roller blind when pulling it up, or the adhesive surface needs to be enlarged a bit.