I used clear pvc plate from LeroyMerlin (50x25 x 4mm) and 500mmx8mm steel bars
https://www.leroymerlin.es/fp/81902612/vidrio-plastico-transparente-liso-de-4-mm-de-grosor-y-50x25cm
https://www.hta3d.com/es/varilla-lisa-calibrada-diametro-8mm-cortada-a-medida
The author marked this model as their own original creation.