2020 v-slot camera slider

There's no mounting plate for the ballhead/camera itself yet, so you may want to design and print your own, but it will have a triangular insert that slots into the big triangle in the middle of the carriage

https://www.youtube.com/watch?v=X7gzOdBfZUA

It can carry a Canon 70D with a 17-50mm F2.8 Sigma, so it should be able to handle cellphones and mirrorless cameras.

Hardware is:

4 x M5 sliding nuts
6 x M3 sliding nuts
10 x M3 x 8mm bolts
4 x M5 x 10mm bolts
4 x rubber feet (can