... rails as shown using a spare printed template as a guide. Double-stick tape can be used to hold the rails in place. Use high-temperature solder because the rail gets hot while sanding. Using high-temp solder also reduces the risk of it coming apart later if you are using soldered track construction. Hold the assembled vee down on the edge of a small block of wood using a penny washer on top and a couple of screws. Stick a bit of printed template on the block as a guide: 2_181049_190000000.png Adjust the fulcrum screw until it is a couple of thou higher than the rail. Check that the rail being sanded is held firm. A penny washer is a large washer with a small hole. They are sold as backing washers for pop-rivets, fixing canvas, etc. If you don't have a penny washer to hand you could drill a hole in an old coin, or use something else. Turn the vee round on the block to make the second cut. The result is as shown after making two ...