Not at all, there are many very small and even solid state LIDAR scanners on the market at an accessible cost edit: Here's a review of 12 https://www.dronezon.

Not at all, there are many very small and even solid state LIDAR scanners on the market at an accessible cost edit: Here's a review of 12 https://www.dronezon.com/learn-about-drones-quadcopters/best-lidar-sensors-for-drones-great-uses-for-lidar-sensors/ https://www.dronezon.com/learn-about-drones-quadcopters/best...