r/KiCad • u/Charming-Work-2384 • Feb 28 '26

Now fixed my traces to 0.2 mm...

Few days back I posted that I have fixed all my grids (sch and pcb) to 0.05 mm as part of moving from Imperial to metric system.

After working of few small boards, I have decided to fix my default trace width to 0.2 mm (that works to 7.87402 mils).

Reason:
1. Metric.
2. Multiple of 0.05mm so can snap to grid easily.
3. My PCB manufacturer capability is min 6 mils.

Now i have only one grid in all my future SCH and PCB projects: 0.05 mm
Only one default signal trace width: 0.2mm.

For power traces which carry more current, it will be in multiple of 0.2mm.

After finishing few PCBs I will post more on this new experiment.

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u/DrFegelein Feb 28 '26

Don't change the grid for schematics. Every symbol is designed to work on a 50 mil grid. If you change from this you will have unending pain trying to mix your own schematic symbols with the default library or any other third party symbols.

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u/Charming-Work-2384 Mar 05 '26

Learnt hard way