Crudely

The crudely made furniture was unrefined and uncomfortable.

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

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

The map was crudely drawn, making it difficult to distinguish the different regions.

The crudely constructed birdhouse fell apart in the wind.

The builder crudely cut the wood, resulting in uneven and unstable furniture.