diff --git a/src/cli.rs b/src/cli.rs
index f6f4da7..359c4ae 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -81,6 +81,9 @@ pub struct Cli {
     /// Path to the geoflow executable for clipping and exporting the gltf files.
     #[arg(long, value_parser = existing_path)]
     pub exe_geof: Option<PathBuf>,
+    /// Use mesh simplification to reduce the number of vertices per object by this fraction. Value should be a float between 0.0 and 1.0. Ignored for building object types.
+    #[arg(long, default_value = "0.95")]
+    pub reduce_vertices: Option<f64>,
     /// LoD to use in output for Building features
     #[arg(long)]
     pub lod_building: Option<String>,
diff --git a/src/main.rs b/src/main.rs
index 69d9638..331bae8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -336,246 +336,255 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                     .arg(format!("--attribute_spec={}", &attribute_spec))
                     .arg(format!("--geometric_error={}", &tile.geometric_error));
 
-                // colors
-                if !cli.color_building.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBuilding={}",
-                        cli.color_building.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_building_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBuildingPart={}",
-                        cli.color_building_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_building_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBuildingInstallation={}",
-                        cli.color_building_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_tin_relief.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorTINRelief={}",
-                        cli.color_tin_relief.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_road.is_none() {
-                    cmd = cmd.arg(format!("--colorRoad={}", cli.color_road.as_ref().unwrap()));
-                }
-                if !cli.color_railway.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorRailway={}",
-                        cli.color_railway.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_transport_square.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorTransportSquare={}",
-                        cli.color_transport_square.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_water_body.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorWaterBody={}",
-                        cli.color_water_body.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_plant_cover.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorPlantCover={}",
-                        cli.color_plant_cover.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_solitary_vegetation_object.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorSolitaryVegetationObject={}",
-                        cli.color_solitary_vegetation_object.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_land_use.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorLandUse={}",
-                        cli.color_land_use.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_city_furniture.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorCityFurniture={}",
-                        cli.color_city_furniture.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_bridge.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBridge={}",
-                        cli.color_bridge.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_bridge_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBridgePart={}",
-                        cli.color_bridge_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_bridge_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBridgeInstallation={}",
-                        cli.color_bridge_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_bridge_construction_element.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorBridgeConstructionElement={}",
-                        cli.color_bridge_construction_element.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_tunnel.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorTunnel={}",
-                        cli.color_tunnel.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_tunnel_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorTunnelPart={}",
-                        cli.color_tunnel_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_tunnel_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorTunnelInstallation={}",
-                        cli.color_tunnel_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.color_generic_city_object.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--colorGenericCityObject={}",
-                        cli.color_generic_city_object.as_ref().unwrap()
-                    ));
-                }
-
-                // lod filter
-                if !cli.lod_building.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBuilding={}",
-                        cli.lod_building.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_building_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBuildingPart={}",
-                        cli.lod_building_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_building_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBuildingInstallation={}",
-                        cli.lod_building_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_tin_relief.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodTINRelief={}",
-                        cli.lod_tin_relief.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_road.is_none() {
-                    cmd = cmd.arg(format!("--lodRoad={}", cli.lod_road.as_ref().unwrap()));
-                }
-                if !cli.lod_railway.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodRailway={}",
-                        cli.lod_railway.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_transport_square.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodTransportSquare={}",
-                        cli.lod_transport_square.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_water_body.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodWaterBody={}",
-                        cli.lod_water_body.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_plant_cover.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodPlantCover={}",
-                        cli.lod_plant_cover.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_solitary_vegetation_object.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodSolitaryVegetationObject={}",
-                        cli.lod_solitary_vegetation_object.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_land_use.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodLandUse={}",
-                        cli.lod_land_use.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_city_furniture.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodCityFurniture={}",
-                        cli.lod_city_furniture.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_bridge.is_none() {
-                    cmd = cmd.arg(format!("--lodBridge={}", cli.lod_bridge.as_ref().unwrap()));
-                }
-                if !cli.lod_bridge_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBridgePart={}",
-                        cli.lod_bridge_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_bridge_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBridgeInstallation={}",
-                        cli.lod_bridge_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_bridge_construction_element.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodBridgeConstructionElement={}",
-                        cli.lod_bridge_construction_element.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_tunnel.is_none() {
-                    cmd = cmd.arg(format!("--lodTunnel={}", cli.lod_tunnel.as_ref().unwrap()));
-                }
-                if !cli.lod_tunnel_part.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodTunnelPart={}",
-                        cli.lod_tunnel_part.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_tunnel_installation.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodTunnelInstallation={}",
-                        cli.lod_tunnel_installation.as_ref().unwrap()
-                    ));
-                }
-                if !cli.lod_generic_city_object.is_none() {
-                    cmd = cmd.arg(format!(
-                        "--lodGenericCityObject={}",
-                        cli.lod_generic_city_object.as_ref().unwrap()
-                    ));
-                }
-
                 if format == Formats::_3DTiles {
                     // geof specific args
+                    // colors
+                    if !cli.color_building.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBuilding={}",
+                            cli.color_building.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_building_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBuildingPart={}",
+                            cli.color_building_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_building_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBuildingInstallation={}",
+                            cli.color_building_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_tin_relief.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorTINRelief={}",
+                            cli.color_tin_relief.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_road.is_none() {
+                        cmd = cmd.arg(format!("--colorRoad={}", cli.color_road.as_ref().unwrap()));
+                    }
+                    if !cli.color_railway.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorRailway={}",
+                            cli.color_railway.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_transport_square.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorTransportSquare={}",
+                            cli.color_transport_square.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_water_body.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorWaterBody={}",
+                            cli.color_water_body.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_plant_cover.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorPlantCover={}",
+                            cli.color_plant_cover.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_solitary_vegetation_object.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorSolitaryVegetationObject={}",
+                            cli.color_solitary_vegetation_object.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_land_use.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorLandUse={}",
+                            cli.color_land_use.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_city_furniture.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorCityFurniture={}",
+                            cli.color_city_furniture.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_bridge.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBridge={}",
+                            cli.color_bridge.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_bridge_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBridgePart={}",
+                            cli.color_bridge_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_bridge_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBridgeInstallation={}",
+                            cli.color_bridge_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_bridge_construction_element.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorBridgeConstructionElement={}",
+                            cli.color_bridge_construction_element.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_tunnel.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorTunnel={}",
+                            cli.color_tunnel.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_tunnel_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorTunnelPart={}",
+                            cli.color_tunnel_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_tunnel_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorTunnelInstallation={}",
+                            cli.color_tunnel_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.color_generic_city_object.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--colorGenericCityObject={}",
+                            cli.color_generic_city_object.as_ref().unwrap()
+                        ));
+                    }
+
+                    // lod filter
+                    if !cli.lod_building.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBuilding={}",
+                            cli.lod_building.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_building_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBuildingPart={}",
+                            cli.lod_building_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_building_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBuildingInstallation={}",
+                            cli.lod_building_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_tin_relief.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodTINRelief={}",
+                            cli.lod_tin_relief.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_road.is_none() {
+                        cmd = cmd.arg(format!("--lodRoad={}", cli.lod_road.as_ref().unwrap()));
+                    }
+                    if !cli.lod_railway.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodRailway={}",
+                            cli.lod_railway.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_transport_square.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodTransportSquare={}",
+                            cli.lod_transport_square.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_water_body.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodWaterBody={}",
+                            cli.lod_water_body.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_plant_cover.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodPlantCover={}",
+                            cli.lod_plant_cover.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_solitary_vegetation_object.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodSolitaryVegetationObject={}",
+                            cli.lod_solitary_vegetation_object.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_land_use.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodLandUse={}",
+                            cli.lod_land_use.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_city_furniture.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodCityFurniture={}",
+                            cli.lod_city_furniture.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_bridge.is_none() {
+                        cmd = cmd.arg(format!("--lodBridge={}", cli.lod_bridge.as_ref().unwrap()));
+                    }
+                    if !cli.lod_bridge_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBridgePart={}",
+                            cli.lod_bridge_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_bridge_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBridgeInstallation={}",
+                            cli.lod_bridge_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_bridge_construction_element.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodBridgeConstructionElement={}",
+                            cli.lod_bridge_construction_element.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_tunnel.is_none() {
+                        cmd = cmd.arg(format!("--lodTunnel={}", cli.lod_tunnel.as_ref().unwrap()));
+                    }
+                    if !cli.lod_tunnel_part.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodTunnelPart={}",
+                            cli.lod_tunnel_part.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_tunnel_installation.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodTunnelInstallation={}",
+                            cli.lod_tunnel_installation.as_ref().unwrap()
+                        ));
+                    }
+                    if !cli.lod_generic_city_object.is_none() {
+                        cmd = cmd.arg(format!(
+                            "--lodGenericCityObject={}",
+                            cli.lod_generic_city_object.as_ref().unwrap()
+                        ));
+                    }
+                
                     if let Some(ref cotypes) = world.cityobject_types {
                         if cotypes.contains(&parser::CityObjectType::Building)
                             || cotypes.contains(&parser::CityObjectType::BuildingPart)
                         {
                             cmd = cmd.arg("--simplify_ratio=1.0").arg("--skip_clip=true");
                         }
+                        else
+                        {
+                            if !cli.reduce_vertices.is_none() {
+                                cmd = cmd.arg(format!(
+                                    "--simplify_ratio={}",
+                                    cli.reduce_vertices.as_ref().unwrap()
+                                ));
+                            }
+                        }
                     }
                     if log_enabled!(Level::Debug) {
                         cmd = cmd.arg("--verbose");