How to create a solder paste stencil using EAGLE and LinkCad: 1) Open up board in eagle. 2) Display only the layers you need (Usually tCream and bCream) 3) Use DRC to shrink Cream layers (Tools->DRC->Masks, Set Cream Min and Max to 2 or 3 mil) 4) Export with CAM Processor (CAM, Device:GERBER_RS274X, Select tCream, 5) Process, Select bCream, Process) 6) Use LinkCAD to convert to DXF, follow screenshots, use Tools->Convert to outline You may need to delete the rectangles inside ground pads, if they are there. **LinkCAD can be glitchy occasionally and not display the new drawing. It may be better to quit after each gerber file and start fresh.** 7) Open with DWG Editor, make sure the pads aren't filled in, scale ground pad to .5, 8) Save to DWG 9) Cut. Settings that worked: 2% Power, 12% Speed |
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