Crudely

The crudely constructed bridge swayed in the wind and was unstable.

The engineer crudely designed the bridge, resulting in structural issues.

The movie's crudely executed special effects detracted from its overall quality.

The crudely edited film had jarring cuts and inconsistent pacing.

He crudely assembled the machine, resulting in a malfunctioning product.

The technician crudely repaired the machine, resulting in further damage.

The computer program was crudely coded, resulting in frequent crashes and errors.

The director crudely portrayed the antagonist in the film.