There are sides actually (alcove), I was just thinking I didn't want it boxed in. The tutorials I've seen sandwich a fairly thin frame with board, I'd worry about that coping with the weight, but could potentially reinforce with metal T-section.
IKEA Kallax then lol. I get what you mean, less capacity but probably simpler to construct. I'll have to draw a couple of versions up. Cheers for the tip on sag calculator.
There are sides actually (alcove), I was just thinking I didn't want it boxed in. The tutorials I've seen sandwich a fairly thin frame with board, I'd worry about that coping with the weight, but could potentially reinforce with metal T-section.