20180522 Hot wire cutting foam to make a riser

Demonstration of how I made a 25" long foam riser with a gradient from 1/8" to 1" that is 25" long; giving a 2% slope.  The wire used in the hot wire cutter is Kanthal wire.  Riser is for the track to transition from the 1/8" cork roadbed to the 1" thick foam sheet.  The Woodland Scenics risers are at a 4% slope, which is okay for HO but not N Scale, requiring me to make my own.

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