Here are a bunch of tutorials for manufacturing small to medium scale (10 - 10,000) piece surface mount electronics.
PCB Stencil Guide From Basic Concepts to Design Details-FS PCBA
Frameless SMT Stencils - PentaLogix
Framed Stencils, SMT Manufacturing
Laser Cut PCB SMT Stencil 0.15mm Stainless Steel Foil with aluminum frame
PCB Stencil - SMT Stencil - Low cost Solder Stencil Maker - JHYPCB
stainless steel PCB stencil Manufacturer, For Industrial, Packaging Type: Box at best price in Pune
What Does a Solder Paste Stencil Do in SMT?
, SMT Framed Stencils are laser cut solder paste stencils designed to work on SMT printing machines. We stock a wide variety of frames for many
SMT Framed Stencils
SMT Stencil, Solder Paste Stencil, Framed & Unframed Stencil