This is our current chip before filling: https://iis-people.ee.ethz.ch/~tbenz/hati/hati_chip_sealring.gds.gz
And after M1-M5 filling with the following script: https://iis-people.ee.ethz.ch/~tbenz/hati/sg13g2_filler_Metal.lym
Resulting in: https://…
We are currently trying both the auto_origin and multi_origin options. They are giving very good fill density results, yet parts of the pattern are off-grid. Most of them are off by 2nm. We are using KLayout 0.30.2 with IHP's 130nm open PDK and the …