There are lots of models of router table coping sleds, both commercial as homemade (https://www.google.com.mx/search?q=c...HXx6D9AQsAQILg)
This Project was made in april-2013.
The base is 1/2” mdf; handles and stops were made with scrap wood.
Finish is primer and lacquer.
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Regards, morsa.