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Setting origin for PCB module
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lynxlabeling 6 years ago
I have created a PCB module in order to repetitively place it in my PCB layout. The problem I am having is that the placement snaps to an undesirable location. Put another way, I have pads on a 100mil grid in the PCB module. I have centered all parts of the module so that one particular pad is at canvas origin in the module. When I attempt to place this module into a PCB with a 100mil snap grid, the module is misaligned to a fraction of a mil in the X direction. I have tried adding a board outline at a 100mil grid to the PCB module with no change. How can I edit the PCB module in order for the pads to snap to my 100mil grid? Thanks, Scott
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Tutorials 6 years ago
setting origin and grid as below: ![enter image description here][1] [1]: /editor/20171012/59ded15e9086f.png
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lynxlabeling 6 years ago
Yes, I tried all that. I think it may be a bug. I get a fractional offset when placing the module, but when I selected the placed elements and then move, it snaps to a grid that is 10 mils off in x & y when using a 100mil snap. I also noticed that setting the snap and alt snap grid in the PCB module editor is buggy. When setting those snaps, then selecting a footprint, then clicking on the canvas, the snap size goes back to what it was. The only way to set it is to do it via editing the source. This bug only seems to happen in the module editor, not the regular PCB editor. What are the underlying rules governing the placing of a PCB module and moving a selection of elements in the PCB regarding snapping?
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