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Hello all, I am about to download the gf180 pdk for use with xschem. In the xschem open pdk tutorial it mentions I need to create a .spiceinit file, as shown below. Just wondering does this need to be created before I install the pdk (or does it matter) and does it apply to both the sw and gf pdks? Thanks,

You can create this file before or after installing the PDK.
As far as I'm aware, this file is required for both SKY130 and GF180.
But it would be great to confirm the info about GF180 with someone else.

It seems to be required indeed, check this thread here:
<https://open-source-silicon.slack.com/archives/C03R1GRP9LG/p1688076761114619>