Frustum stage of stalactites negates fall damage

If you place two, two or higher stalagmites next to each other and fall in between the points then all fall damage will be negated

How to recreate:

1. Place two, two or higher stalagmites next to each other
2. Jump onto the frustum stage in between the points
3. Teleport yourself into the air and don't move while falling

Video was too large to upload so here is a one drive link: https://1drv.ms/v/s!AqXMheVatmV6miKbAqAGIqFyqQvs?e=vfvMj5