I bought a melamine covered shelf 11-1/2" wide from Lowes, cut two pieces 
off, 26" and 38", machined off the melamine 2" from one 
end, and glued on wood stops with the grain running parallel to a long 
board going through the planer.
I have a great thin planer setup that isn't bad about sniping or 
shattered ends.
When plabning very thin SYP, you only take off one very thin slice at a 
time, to prevent the thin piece from shattering on the end.
You also avoid large knots.
 
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Set up for machining off melamine on one end of the melamine board.
 
Note the sled being machines is on the right with a router guide board across the end.
 
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Router in place, ready to machine off about .010" of melamine.
 
 
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End of the sled with melamine machines off. Now the glue will stick 
for the stop. 
 
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Closer look at machined area.
 
 
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Gluing on the stop.
 
 
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From the front end of the sled, note since the stop is made from 4 pieces of 1x, I am clamping the 1x pieces together for a better bond. 
 
 
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My DeWalt bench top planer.
 
 
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"Core" piece of pine exiting planer.
 
This is a piece I am resawing thin slabs from.
 
I surface each side before each resawing.
 
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Sled with thin pine slab entering planer.
 
 
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Stack of 1/8" pine slabs.
 
 
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