Measuring topography / time of flight

Hello all,

I had an idea for a project to automate the measuring of depressions on a surface of an object, and I am having trouble finding the right sensor(s) for this.

Using a dial indicator and sled I am able to get precise readings at 0.001″ measurements manually. However, the number of data points I have to collect and the painstaking effort to collect them on a large surface is extremely frustrating and time consuming.

Are there any sensors on the market that can replace a dial indicator or a way to measure topography of a surface from one end to another?

submitted by /u/eruffini
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