Definitely the foam board instructions from Kathy above is the way to go especially for those of us without the equipment (or skills :) ) to make it from wood.
I'm going to sell some crafts a local Farmer's Market this summer and need extra space to hang crafts. I have 3 sheets of pegboard and thought a 3 section hinged scre...
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I had a handyman fill in the large opening in my living room wall between he dining room & living room. Now I need to get this new drywall to look like the finished w...
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It’s an Ikea Billy bookcase. The cut out for smaller baseboard doesnt work. Would like it to look flush with the wall. Would rather not have to cut the baseboard....
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https://www.diynetwork.com/how-to/rooms-and-spaces/doors-and-windows/how-to-build-and-install-a-window-cornice-box
Here are several projects on the subject:
https://www.hometalk.com/search/posts?filter=cornice
Definitely the foam board instructions from Kathy above is the way to go especially for those of us without the equipment (or skills :) ) to make it from wood.