With all the angles and dimensions you need. That something turned out to be a climbing volume for our home climbing wall. You should use 20mm or 3/4 plywood.
Diy outside climbing wall
Diy climbing peg wall
Diy climbing training wall
Build An Easy Home Climbing Wall Volume Home Rock Climbing Walls
Web get plans for volumes so you can make them yourself.
Web with some warmer weather, we head out to the garage to build something.
I used my cnc to cut out the triangles since that is easier, but you can also draw the shapes on the wood and cut them out with a bandsaw, jigsaw, handsaw or best a circular saw.Volumes are a way to add variation to a flat wall, the are great for setting more interesting and thought provoking routes.