My suggestion is 1/8 or 3/26" Door skin. It's cheaper than thin MDF. Or like I do and use very stiff artist card stock. This you can find at Michael's or Hobby Lobby. By using card stock you can lightly score the reverse side with a utility knife and fold it up for storage.OK , I bought a set of paper plans and I went to my local Wood store so blessed to have one about a mile up the street . He has a sawmill , Kiln , A big building full of choice wood / slabs , so I bought a slab of cherry and he tells me I need to transfer my paper plans on to some MDF ??? plywood so I will have a set of templates for my stools .
Now I dont know anything about this plywood , On HD they show MDF 1/2 inch 4x8 sheets and 3/4 sheets , Tell me what to get /// My last project I made templates out of cardboard
and I want to do better . thanks Rick