

Cigar box size
Hi everyone!
I'm planning to build my first cigar box guitar and I found this cigar box for a very cheap price. The seller says that the box is 30x40 cm (about 12x16 inches) but I'm wondering if this would be an appropriate size or if the box is simply too large. I was thinking about building a 3-string CBG.
Would a box this size work well acoustically ? Are there any particular problems I should expect because of the large soundboard, such as excessive resonance or structural issues ?
The listing doesn't give the depth of the box either, so I'd also be interested to know how important that dimension is.
I'd really appreciate hearing from people who have built CBGs with larger boxes. Thanks!