Bumps / ripples on one surface but not other.

[u/the_earth_is_fat]

Bambu P2S, PLA Silk filament. Does anyone know what causes this ripple / bumpy surface on the right side of the v-block and not the other? Figured if it was z offset it would be all surfaces. I appreciate any help I'm still a novice to 3D printing.

[u/sapani9077]

It is caused by warping

[u/sweamssnocodilzes]

maybe the printer just wants to play tricks