Building another Blind/ Hide

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That looks like it'll be perfect for bowhunting! . I especially like how the octagonal shape gives you lots of angles to shoot from, so you'll be able to square yourself to the target and not be forced to shoot from an awkward angle.

From a photography standpoint, I wonder how it will work, being up off the ground as you plan. . A lot of general wildlife photography is done from a kneeling or completely prone position, to get that dramatic ground-level perspective. . So I wonder if you plan to use the poles that the blind will be placed upon as a framework for a "lower story" blind, so that you can photograph from ground level when you're using the blind for photography and not for hunting.

Speaking of the shooting windows, will they be open all the time, or will you be making a way to close some/most of them, to keep the wind from blowing through so freely?

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Tom, I apologize for replying so late. Right on time, October again this year, I have had life altering events. Haven't used a DSLR for over a month. I have felt like and been able to run 7 cell cameras, 2 are on a cell plan that sends pics to my son and I'm missing chances of my lifetime by not being there. I have hunted a few times lately, the rut is winding up and I have some big ones but can't manage to get everything to the blind I want at one time. Last Friday 20 different bucks went by in 6 hours and at least 25 doe. I have some real brutes this year and of course the largest one has avoided the cameras so far even though I only go in to retrieve cards every 2 weeks, not big by accident in this hard hunted area I live in.
So to answer a couple questions: The new blind is 42 inches from ground to floor, the windows are 36 inches from floor to bottom of windows. This does elevate one to a higher level than you may desire but for hunting it gives a better angle and is safer yet not super high like some people like.
We covered the 7 walls with windows first with solid osb boards, made marks for the windows than cut one side of each window, installed hinges on this cut line than cut the other 3 sides. This makes the windows fit snug and swing true and quiet. Then we placed a thin trim piece around as a stop on each window and have a pvc latch we made as a closure to lock them from inside. They are super quiet to open and close. We cut the door last and finished much the same as windows except it swings out, the windows in. You may choose to open all 7 windows or as many as the weather allows. Now to get really spoiled my son has installed a Mr heater with adapter and ran the hose through the floor to a 20lb propane cylinder placed on the ground under the blind.
As I'm sure you can imagine the location and ground contours can make a lot of difference from one location to the next. This new blind is placed at the edge of a power line right of way in hill country. The back side (door) actually has a rise in elevation behind it meaning at about 30 yards I will be close to ground level with bottom of windows. One window will have a view of about 40 feet, the next one a view of about 800 yards over a steep hillside, this will be a steep angle or feel highly elevated. The others will have the appearance of about 7 to 10 feet of elevation. And as you know there is a chance of an outstanding photo to be captured if the animals would cooperate and show up at the right window when the light/weather is just right, and then someone has to be there and ready.
We are allowed to plant plots or crops to attract deer for example but baiting or minerals are prohibited so most animals will strictly be in natural habitat and movement patterns under very wild and hunted conditions making it a challenge. Baiting has never been allowed and because of trying to control CWD all other attractants have been removed as well. We can still feed songbirds in the winter so with some proper planning it may be a comfortable place to shoot birds in the off months of the cold, snowy winter. Next year we hope to have some better food plots on this farm, this year we had drought conditions with late summer early fall crops and they have not produced well, too many deer for lbs of forage. I will take more photos of this set up when time allows and share a couple here.