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[Fleeting Frames]

Some of you may remember the infinite layer stone trick I previously posted in trivial findings.

Spoiler: post (click to show/hide)

Found an interesting POI while looking at Silentthunders: https://mkv25.net/dfma/viewmap.php?view_mapid=12467 ("Of slight note is that dwarves managed to somehow engrave one of the brass walls.")

Now, I didn't manage to replicate that.

But I managed to replicate something that may be better, sometimes:

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So, turns out, if you build a constructed wall, and then mark it for fortification carving and removal, the fortification carving is kept on hold even after the wall is removed.

If you then fulfil that designation on sand - it remains sand floor.

But fulfil that on conglomerate - and it becomes conglomerate fortification.

Dig that out, and you can get a conglomerate boulder.

This means a source of flux on embarks where there's just flux boulders on surface, and an alternative to obsidian for mass stone duplication.

Unfortunately, only works for layer stone. No ady duping or natural soil clay fortifications for trees.

Pretty cool, but nobody really runs out of stone so it was niche.

Until I realized today I forgot a thing to try out: building something on top, then carving the fortification:

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Pictured: a Jeweler workshop with fortification SE corner tile.

Hidden under triggered pressure plate: a fortifaction dug into a ramp and carved into a EW track ramp that sent south-pushed minecart careening off to SE, while opening the door.

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Pictured: A loom with updown stairs in center made right after embark in 47.04

To replicate, Construct Wall → Mark for deconstruction and fortification carving→ Deconstruct → Build what you want → Carve Fortification → Dig into your favourite shape.

Replication en masse: Massively trivial, compared to obsidian-casting.

Potential: Staggering.

I cannot possibly think of all applications. Here are but a few:

A: The ability to vertically stack clothing industry is but the most obvious application of this; it can help save tiles near everywhere there's z-traversal and buildings.

B: Imagine pressure plate on track ramp, pushing against linked floating door: you can have a minecart that rolls down the ramp the moment first item is stored inside, allowing you to singularize cage disposal or distribute goods evenly between stockpiles.

C: Or maybe you want to easily make an enemy-only bridge gate.

D: Or maybe you want six-directions doors.

E: Or maybe you want untouchable but admirable pedastals.

F: Or maybe you want to combine floodgate and fortification instead for shutters for shooting.

G: Or maybe you want to lock your 8 hens with caged male in center below a hatch in center above.

H: Or maybe you want a build a very tall stairway, where each tile is weapon trap that makes them dodge off to the bottom.

I: Or maybe you want an inaccessible armor stand, so that the rest of the floor can be grates you drop dwarves through.

J: Or maybe you want your axles to go through something BDs can't touch.

K: Or maybe you want to dial the energy ramps give slightly down with a track stop.

It's sure to change my future fortress layouts, but what else could you do with it?