We found 1 Reddit comments about 10 Gallon Aquarium Gecko/Arboreal Conversion Kit. Here are the top ones, ranked by their Reddit score.
I heart geckos, they make some for a few different sizes
or here is an amazon link - this one is a little pricey, they can be found for like $25-30 usually but I just did a quick search. https://www.amazon.com/Gallon-Aquarium-Gecko-Arboreal-Conversion/dp/B07JQJS241
or if you just google "vertical conversion 10 gallon" (or 20 gallon) there are a few other types out there too.
the one I made wasn't super complicated - it was just the metal screen top from petsmart, I cut a big hole out, made a frame for the door out of an old window screen, and used some short sheet metal screws to attach everything. the handle/latch is some junk stuff I had laying around, it just turns to latch/unlatch
www.joshsfrogs.com is a good resource for bugs and supplies
www.bertopia.com has all the fancy gecko foods and flavors, good prices, free shipping, and genuine nice folks.