I downloaded the Sensortile Gerber files provided on the website, there are only three layers in the folder. I assume there whould be a 4th, is it possible to have further info about it? Thank you very much

[FBuff.1]

I got the answer through other channels, posting here just in case it can be useful for someone else.

Sensortile has 4 layers:

   - STLCS01V1.cmp - top layer

    - STLCS01V1.sol - bottom layer

    - STLCS01V1.l15 - internal layer 1

    - STLCS01V1.ly2 - internal layer 2

[Eleon BORLINI]

Hi @FBuff.1​ , the .zip folder of the Sensortile Gerber files you can download from the Sensortile st.com page contains 3 sub-folders, referring to the 3 board of the Sensortile Kit:

1. STLCR01V1 gerbers --> this is the Cradle board and it is a two layers board
2. STLCS01V1 gerbers --> this is the Core System and it is a two layers board
3. STLCX01V1 gerbers --> this is the Expansion cradle and it is a two layers board

You can find HERE a description of the 3 boards

Regards