If your desk will be against a wall use some wall mounted locking shelf brackets with one inch adjustment(assuming you can drill into the wall). I suggest 3-4 verticals, carefully lined up. Or flip through these for ideas. https://www.google.ca/search?q=DIY+vertical+desk&source=lnms...

https://www.google.ca/search?q=vertical+desk+plans&biw=1920&...