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You may have some z wobble, but I'm not seeing it. Z wobs are like 2mm corrugations. They're typically even. What I'm seeing are layer shifts and separations.

I'd try a different resin. Not sure what to recommend as what I do is quite different.

The printer sits on a hard surface and the feet are quite solid. Every up and down motion induces vibrations which the cant machine absorb totally. I put a thin mouse mate 3mm with semi squishy foam under the feet and it improved the layer lines a fair bit

Thanks both for your thoughts. Richard I'm using anycubic resin. I always have and this just started happening. Christopher I'll give that a try. That's a good thought. To be clear. I'm not worried about the general, consistant layer lines. At this scale I expect to see some lines. But, the deformed and squished parts are what I'm worried about. Its not consistant in that it doesn't happen over the whole print. You can see on the Doors its only the bottom corners then it basically cleans up and smooths out

Looks like not nearly enough supports. Check to see if the lines match where the supports are.Tall pieces often need supports on the sides as well to keep them stable. I never print barrels at an angle like that - I do flat, 45 or 90. Lots of supports, too. Barrels are really easy to sand off the support nubs.

I might agree with you Jeff but, the distortions are in the same spot on different models with different supports. I'm actually wondering if Christopher was correct about vibrations. But, the vibrations being cause from maybe lack of lubrication on the z-axis threads. So its grinding in the same spot each time.

Look at the slices where the distortions occurred and see if there are sudden changes in FEP contact area. The prints can distort if the FEP is suddenly being pulled in a different direction by another model.

is the bunker made of concrete or what have you done to make it look concretey?

I'd go with Jeff Johnson's suggestion of not enough supports. You need enough supports to stop the model from moving minutely when it releases from the FEP. The more surface area the more it'll move too.

Glen Coco Öhman Glen, its basically a dark grey basecoat and then a few shades of oflighter grey drybrushed on top. With a couple washes applied. Then a very light drybrush of a light dirt/dust.

Glen Coco Öhman the bunker itself is cut from insulation foam.

wait, so is it not made of clay or at least foam core or insulation?

Great paint job still!

Glen Coco Öhman Thank you sir

basically z wobble are causing layer shift...

Not the same thing.