make a low budget minimalist cot/bed

how to make a low budget minimalist cot/bed, watch the video so you know how to make it, happy watching
ingredients #
1. wooden board 28 cm wide 4 cm long 2m/ 200cm x 4 pcs, for the bottom side
2. wooden planks 10 cm wide, 3 cm thick, 2m long/ 200 cm x 2 for the upstream/head edge
3. wooden plank 20 cm wide, 2 cm thick, 2m/200cm long for the center of the head/upstream
4. wooden beams for plinth x7 pcs
5. 7cm paku nail
6. grinding machine
7. drilling machine