I've really admired some of the amazing terraria shown here, especially those by DavBis, NeofinetiaCanada2014, Tindomul and Trollsvans. I had it in the back of my mind to do one some day. Every time I visit our excellent local aquarium shop
The Ocean Floor,
I look at the used aquaria for sale. This week I found one that caught my eye. Sitting on the floor was a taller-than-standard aquarium marked "$15 REPTILES ONLY". There are probably people who have considered me a reptile in the past, so I figured I should investigate. The salesman said that normally means the cross-brace at the top is damaged, or it leaks. Since the brace is intact, he inferred it leaks. I certainly know how to fix leaky aquaria.
It is very close to 3 feet left to right, 2 feet top to bottom, and 1 foot front to back, which gives 10,368 cubic inches, and everybody knows there are 231 cubic inches in a US gallon, so with a little rounding up it would be considered a 45 gallon aquarium (or 170 liters.) Despite the inverse square law of light intensity, I wanted something deeper than a standard aquarium so I could have a few taller plants as well as a lot of little ones. I pay attention to yard sales as I drive around, but most people have standard low and long aquaria for sale.
I'm not going to build first and ask questions later; I'll do a lot of reading before I begin. But here's a start.
It also occurred to me that setting up a terrarium might be an interesting Orchid Board member project for 2016.