$key_interact - Place Object\n \n $key_collision - Toggle Collision Detection\n $key_align - Toggle Surface Alignment\n \n $key_mode - Switch to Advanced Mode\n ESCAPE - Cancel Placement\n $key_interact - Place Object\n \n Transforms:\n MOUSE1 - Move on Horizontal Plane\n MOUSE2 - Rotate about Vertical Axis\n LSHIFT + MOUSE1 - Move along Vertical Axis\n \n Modifiers:\n LALT - Snap\n LCTRL - Finetune Control\n \n $key_mode - Switch to Preview Mode\n ESCAPE - Switch to Normal Mode\n $key_interact - Place Object\n \n ESCAPE - Cancel Placement\n $key_mode - Switch to Advanced Mode