This scenery in heroic 28mm scale, have been designed by Vae Victis Miniatures and are compaitble with Frostgrave, Dungeon saga, pathfinder,  and DND, Last war. Turnip28, Forbidden Psalm and other Old hammer games.
 
This set contains 7 pieces 
3x Wooden crate barricades (2 pictured) ( measure between 93 and 101 mm long)
4x Barrel scatter pieces (3 pictured) 
 
They come in ABS like resin.
 
Please note 3D printer resin is not like the Resin used to make injection moulded miniatures it can be a little more brittle.