Super 10m and sub 0.01M objects

I'm running into problems with object size, especially since i sometimes use second life to design things for real life... At the least, it's usualy quite tied to real life.

For instance, lets say I'm trying to design a blowback-operated .22 machine pistol (also, in b4 noobs who think they can hold a .45 Uzi or a .311 Skorpion). It's impossible, especially when even the barrel is below 1 centimeter, let alone hammer pin.
And how am i going to make flechette darts that are a centimeter wide, lol?
How am i going to design the new 'kill-em-all-and-take-their-stuff weapon' for first life?

I know that objects are calculated to 100 meters to 0.0001... Which is about where i could comfortably start working...

Perhaps it could be in some sort of advanced options in preferences, but i can do without the potentially problem-causing super-large objects, but i need ones that get down to 1 millimeter.

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Or perhaps the solution is sandboxes, designed specifically for engineering and specialty designs, which allow full spreads of object parameters, where you can make 200 micrometer syringe needles and springs with one prim (torus' with like 100 rotations).
Advanced Sandbox is a suggest for a name.

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One other problem what i wish to address as a side-note is object shadows. It would just be a nice option. Who doesn't want a dingy cavern of doom to plot world domination?
But i do understand the potential complications in program scripting behind this.

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also, it would be kinda nice if the library had more base textures. Maybe i should just find a free 3d CAD program, but i like SL better. At least a nice repeating bamboo texture. Bamboo is the most useful material in the world.
A few rope textures would be nice.
Maybe a default white over-under woven cloth, which could be colored and sized for any purpose. I need something for ballistic fabrics.

Perhaps you should try exploring Sculpties.... they have a large bounding box, but you can make the actual lightmap make things very very small. Shrink the bounding box and your 'object' can almost disappear.

You can actually make extremely tiny prims by exploring the world known as "prim torture". It seems it is becoming a lost art with people going to scupties, but very tiny sculipties are often lacking the fine detail and sharp edges you can get with tortured prims. I would suggest searching the term "prim torture" here in the forums for more information.

I agree. Too many people seem to be doing sculpties when a tortured prim would do just fine...it's saddening almost. An art being lost, ya know?

yes, well I am keeping the art alive in my work. I rarely use a sculptie at all.

Yeah, and back in the dark ages, they used to put small boys up chimnies to clean all that nasty soot and grime... then some idiot invented central heating and spoilt all the fun.

I doubt anyone has died making tinies out of tortured prims...

Yes, prim torture would seem to be the way to go since i don't think there's anything in the Geneva Convention prohibiting it.......hehehehehhe