Crudely

The mechanic crudely repaired the engine, causing more problems than it solved.

The detective crudely reconstructed the crime scene, without accounting for all the evidence.

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

The mechanic crudely fixed the problem with duct tape instead of using proper tools.

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

The gardener crudely trimmed the bushes, leaving them looking misshapen and lopsided.