本资源包含20种不同的Substance材质包，包含金属、科幻等材质。
aged_scratched_metal
alien_ship_techno_panel
aluminium_scratched
bricks_basalt_combined
car_solid_paint_wet
concrete_raw_damaged
concrete_spotted
iron_forged
metal_cast_iron_black
metal_speaker_mesh_round
painted_metal_chipped
pewter_striped
powder_paint_hammer_effect
rusted_painted_metal
sci_fi_painted_grating_tiles
sci_fi_spaceship_technical_wall
sci_fi_storage_unit_wall
sci_fi_technical_hull
scrapped_paint
ship_hull_paint_chipped
