Index: trunk/doc/tutorials/pnp-origin/index.html =================================================================== --- trunk/doc/tutorials/pnp-origin/index.html (revision 9571) +++ trunk/doc/tutorials/pnp-origin/index.html (revision 9572) @@ -7,11 +7,11 @@

pick and place - origin

-

A. simplest case: recangular board, implicit outline, implicit P&P origin

+

A. simplest case: rectangular board, implicit outline, implicit P&P origin

Assume a board of 775*725 mils needs to be created. The P&P fab says coord 0;0 is the lower left corner. The board -fab says they need the centerline of toolpath on the outlnie layer for +fab says they need the centerline of tool-path on the outline layer for milling.

By far the simplest way to handle this board is to rely on builtin defaults: @@ -26,7 +26,7 @@

  • 1. start pcb-rnd with no board - this gets the default board template
  • 2. change board width & height (gtk: file/preferences/user PoV/sizes)
  • 3. do the layout -
  • 4. when exporting gerber, enable the 'all layers' option to get the implicit outline layer +
  • 4. when exporting Gerber, enable the 'all layers' option to get the implicit outline layer
  • 5. export the xy

    @@ -44,11 +44,11 @@ -

    B. recangular board, explicit outline, explicit P&P origin

    +

    B. rectangular board, explicit outline, explicit P&P origin

    Assume another board of 775*725 mils needs to be created. The P&P fab says coord 0;0 is the lower left corner. The -board fab says they need the centerline of toolpath on the outlnie layer +board fab says they need the centerline of tool-path on the outline layer for milling.

    This time the virtual board (canvas, drawing area) will be larger and the @@ -63,9 +63,9 @@

  • 4. draw a short line on a random layer - this will be the P&P mark
  • 5. drag&drop move the endpoint of the unselected mark line to its other endpoint - this will result in a 0 long line, which looks like a filled circle; with 's' increase the size so that it's easily visible
  • 6. select the mark, drag&drop move it to the lower left corner of the outline box -
  • 7. the mark still selected, press ctrl+e and click on the "add attribue" button in the property editor +
  • 7. the mark still selected, press ctrl+e and click on the "add attribute" button in the property editor
  • 8. type in "pnp-origin" in the "Attribute key" and "yes" in the "Attribute value" field; click ok and close the property editor -
  • 9. export the gerber and xy files +
  • 9. export the Gerber and xy files

    There is a video tutorial available on steps 4..8. @@ -84,7 +84,7 @@ will be milled away.

  • same trick should work with silk as well
  • or even on the solder mask layer where this object would be a small cutout over void -
  • make a new (copper) layer, place the mark there and don't send this layer's gerber export +
  • make a new (copper) layer, place the mark there and don't send this layer's Gerber export (later on pcb-rnd will support documentation layers which are more dedicated for this sort of use)

    @@ -106,7 +106,7 @@ Assume a third board shaped as a 700 mil diameter circle. The P&P fab says coord 0;0 is the lower left corner of the bounding box of the circle. The board fab says they need the -centerline of toolpath on the outlnie layer for milling. +centerline of tool-path on the outline layer for milling.

    The process is the same as in example A. The only extra consideration is how to find the coords of the P&P origin mark; for this the P&P fab