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I have now laid out my board but I want to make it using 0.1 inch perfboard, so I would like to have all parts on the 0.1 inch grid, but I don't see anywhere a 'snap to grid' option in PCB Editor. It is in Schematic editor, where I would have thought that it is less important. The word 'snap' doesn't appear in the documents. Please advise.

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On 15/04/2024 12:58, John Woodgate wrote:

I have now laid out my board but I want to make it using 0.1 inch perfboard, so I would like to have all parts on the 0.1 inch grid, but I don't see anywhere a 'snap to grid' option in PCB Editor. It is in Schematic editor, where I would have thought that it is less important. The word 'snap' doesn't appear in the documents. Please advise.

1. Right-click > Grid...
   
2. Right-click > Select All (Ctrl-A)
3. Right-click > Align Items to Grid

(This is in Version 8.)

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Kicad alway snaps to grid in pcbnew you just set the grid size option in the menu

Be aware that some footprints a not based on imperial 0.1 grid nut use metric, the newer and components are often in a metric grid spacing

Andy

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On 15/04/2024 13:12, Andy wrote:

Kicad alway snaps to grid in pcbnew you just set the grid size option in the menu

Be aware that some footprints a not based on imperial 0.1 grid nut use metric, the newer and components are often in a metric grid spacing

I think the OP is wanting this in the schematic editor.

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I set the grid to 2.54 mm, but some parts are not snapped to the grid when first placed. If I try to move one, it then snaps, but It seems that I can place one 'off-grid' and not notice that. I do know that some parts use metric spacing, but I don't have any of them.

Kicad alway snaps to grid in pcbnew you just set the grid size option in the menu

Be aware that some footprints a not based on imperial 0.1 grid nut use metric, the newer and components are often in a metric grid spacing

Andy

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Agreed: I have definitely set the snap grid, but I wonder now whether I did that right at the beginning or one or two placings later.

The snap grid may be finer than the 2.54mm. It is a while since i used KiCad, but IIRC the visible grid is seperate to the snap grid.

On Mon, 15 Apr 2024 at 12:30, John Woodgate via <jmw=[email protected]> wrote:

I set the grid to 2.54 mm, but some parts are not snapped to the grid when first placed. If I try to move one, it then snaps, but It seems that I can place one 'off-grid' and not notice that. I do know that some parts use metric spacing, but I don't have any of them.

On 2024-04-15 12:12, Andy wrote:

Kicad alway snaps to grid in pcbnew you just set the grid size option in the menu

Be aware that some footprints a not based on imperial 0.1 grid nut use metric, the newer and components are often in a metric grid spacing

Andy

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It is possible that the footprint is one grid point off. I have found some footprints that are 0.1. Spacing, but the grig was set to 0.05 and the whoever drew the footprint started on grid point off. The only way to correct this is to edit the footprint and move it onto a main 0.1 grid point.

Andy

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Aha! I didn't find that this time, but I did about 5 years ago, using version 6. I didn't have to fix it. I also found that the widely-available converter-to-THT board for the SSM2167 has some pins offset.

It is possible that the footprint is one grid point off. I have found some footprints that are 0.1. Spacing, but the grig was set to 0.05 and the whoever drew the footprint started on grid point off. The only way to correct this is to edit the footprint and move it onto a main 0.1 grid point.

Andy