· The "exposure time" set in the slicing software parameters is too short. Please increase the "exposure time" by 1-2 seconds.
· The model is too heavy. You can choose to hollow out the model and add holes on the surface, or increase the number of surface supports for the model.
· The release film in the resin tank is loose, lacks elasticity, or is scratched. Please tighten the screws that secure the release film at the bottom of the resin tank, and stretch the release film tight again.