atomare design

Freedom is not bad looking, but I have issues with garage and crew quarters on that lower deck. The toy would have to be elevatored to the hull deck for release, and the portals would be submerged when running (a major no-no).
I don't think Gorgeous would cut it as a private yacht, but would be real attractive as a Dinner yacht.

Interesting work

I would not feel confident on the deck of gorgeous... looks too high compared to size of the ship. Same feeling as Nycap123 - I would see the internal layout corresponding to all these portholes to make my opinion.

I prefer the first Freedom over two others, definitively. Looks like strong guy with no fear

Nicely rendered.
I wont comment on the styling, at these bespoke build size breaks the client will be the final judge.
I'm not convinced that the internal layouts could ever match the levels and heights suggested by the exterior glazing.
Be prepared to have to reduce the extremely generous headroom heights you have made such a feature of....the 80m for example looks like another deck level could be slotted in there....whilst impressive, excessive headroom is expensive, in terms of wasted accommodation space, wasted gross tonnage volume, wasted air-con / heating, very heavy glazing (plus extremely onerous rules that accompany such large glazing) and also wasted stability. Height will adversely affect stability through the overall VCG. Its easy to envisage a three deck yacht thats 10m high, having far better VCG than the same three deck layout stretched upward to 15m high ? A point that any eventual NA will point out very early on if the projects ever progress.
Maintenance....the client may go for the concepts, but his crew will be cursing you for creating what would be a nightmare when it comes to up-keep. Vertical cliffs of external superstructure, football field sized superstructure roofs with no visible means of (safe) access, acres of teak decking, acres of glass...how would the crew clean these areas daily ? (twice daily in port ) Yachts with full beam accommodation fwd are bad enough, but you have taken the practicality of exterior cleaning to sky-scraper levels of logistics.
Patio doors...very high, very angled patio doors have a basic design flaw...I'll let you use your head to work it out
Large external glazing...good luck when it comes to getting the glazing passed by say, RINA.....I'll take a stab at a final requirement of 150mm thick laminated plus storm shutters on the 60m concept fwd hull glazing.
Deck space....the 80m is something else, even the best interior designers (yes they will be asked to design the external space layouts too) will have a mission to utilise such wide open spaces sensibly and practically. If current trends continue, dont be upset if your concept becomes a sea of sunbrellas / parasols / awnings etc, or the client pushes you to add another enclosed superstructure up top...which brings me back to height and stability.

A very generous post CODOG

Even so, the faintly military themes on "Sunray" are intriguing to me. It's nice to see bold designs, however imperfect.

Kelly

Absolutely...theres some powerful and exciting shapes and ideas going on there. The OP is at a point where fresh and unusual design squares up against practicality, suitability of use and ultimately marketability in a very competitive arena....established builders and designers who have worked with these issues for many years. Brave, bold design is beginning to make in-roads against the traditional, the safe and the 'guaranteed appeal come re-sale'.

Breaking the rules is a wonderful thing. It's what gives us innovation. (example: M/Y A). As for the cleaning. These folks don't like to get their chiffon dirty or feel salt on their hands, and yes the crew does also have to be kept busy. A bored crew is a bad crew. As for coatings, nobody is actually touching the outside of buildings. Also, yachts are constantly exposed to salt spray and just carried in the air, and exhaust fumes from themselves and their neighbors. It's a harsh environment.

I've heard of an owner who whilst in port, made his crew wear a uniform and cap, standing in formation on deck legs slightly apart and with hands clasped behind their back during a F1 race....just in case the TV helicopters caught his yacht on film. Heaven forbid the cameras picked up on some soot on the hull or finger prints on the windows Whilst its a valid point re cleaning etc, there are ways that you can incorporate elements into the styling that will help the crew with this task. Sail track is a common fixture on larger yachts...the crew sit on boards dangling from the tracks as an example....incorporating various ledges and recessed steps (using non-slip surfaces) to facilitate access to otherwise inaccessible areas (the very top coachroof or a large permanent hardtop for example, is incredibly hard to access for cleaning, but gets just as dirty). Sat / Com / Radar gear needs access too, however precarious it may be. If the original designer / stylist doesn't attempt to work these features in from concept, the crew will attempt to fit them after commissioning...no offence to skippers and crew, but I'm sure most designers would shudder when they see sail track / guide wires / pitons plastered all over their once virgin white, beautifully clean lined superstructure.

Large windows....I was being serious there, we are talking about the glazing having to be tested and proved to be able to withstand rather incredible heads of water pressure. I find it rather sweet that RINA for example currently expect a rear facing patio door (certain charter rules) to withstand over 6m head of water, when there is usually a large flybridge above the doors anyway...quite how they foresee 6m head being actually physically possible in that situation, I dont rightly know. But they do, its the rules, and you can perhaps understand how these tested forces increase for a hull side window that sits between a wall of water and 1000 tonnes of yacht. From a styling point of view, if a large exterior window suits the exterior look, does it have to be as large on the inside ? One sure way to get the look but reduce the strength required is to have the internal clear opening far smaller than the exterior size...the authorites are mainly interested in unsupported glass area, or the clear opening size...internal frames and stiffeners could be used to break the large panel up without spoiling the exterior aesthetics. Curved window panels can be proven through testing to withstand higher pressures than flat panels of identical thickness.

I know from bitter experience how *******ised a designers pure vision can become when, even after the structural and engineering challenges are solved, the mandatory rules and regulations of class hit you like a hammer.
I also know from experience that these rules, like the sea itself, are a force to work with, not against

"I've heard of an owner who whilst in port, made his crew wear a uniform and cap, standing in formation on deck legs slightly apart and with hands clasped behind their back". Was the name of the yacht the USS________?
" I find it rather sweet that RINA for example currently expect a rear facing patio door (certain charter rules) to withstand over 6m head of water, when there is usually a large flybridge above the doors anyway...quite how they foresee 6m head being actually physically possible in that situation, I dont rightly know." That one is actually easy to envision when a 10kt yacht slows to 3kts climbing up the back of a wave while coming into an inlet, then gets overtaken by the next. That's a big part of why SF and center console usually have self bailing decks. It happens.

Crikey. 20 feet of solid water up the back-end is not good. I'd be at the front end

5m headroom is spectacular. I guessed the doors themselves would be more human sized. The comment I made previously was geared more toward the angled doors on the 60m...be careful that whoever needs to open the doors don't bang their heads on the glass before their hands reach the handle, or maybe you have envisioned an infra-red system that opens the doors automatically before said head / glass interface. Glass that can be made opaque at the flick of a switch would solve the issue of hanging curtains on an angled door too, thats if curtains are as back in vogue as they seem to be. (blinds on tracks are very difficult to engineer on a door that slides open)

Yes you can see through 150mm laminated glass (I stress that 150mm is no more than a stab in the dark, a conceptual take on your concept)
The question is more of can it be made, what will it cost and can your project afford the weight...more importantly can it afford the weight at the height it is relative to the optimum VCG. Storm shutters are an accepted way of appeasing the ruling bodies but with thinner glass...where you could stow barn door sized shutters is another question
As to false windows...I'll take my NA hat off and put my styling hat on...they can serve a styling purpose, honestly. A window band that really makes the profile live, may span internal areas that you just cant see out of...galleys, stairways, walk-in wardrobes, bulkhead positions, trunking etc etc. So instead of extremely thick glass weight and cost wasted in these areas, you could just install nominal 6mm glass on the outside to get the exterior look....or (less honest but from a distance just as convincing) just spray the local area a colour that best matches the look of the adjacent genuine glass from the outside.

No, theres no rule of thumb I'm afraid. Put simply, glass thickness is clearly defined within rules and regulations depending on...
Applicable rules in force at time of build.
Size of vessel as described within said rules.
Area of operation said vessel will be operating in.
Area of said vessel that the windows are positioned in (fwd facing, sidedecks, aft facing, fwd or aft of midships, hull or first, second or third tier of superstructure etc.
Storm shutters fitted or not, and so on.

RINA Charter Rules, MCA, ABS, Bureau Veritas, Lloyds, Solas etc all have relevant sections on this topic, and not all agree with each other which adds to the fun. Most of these bodies will quote formulae based on either monolithic, thermally or chemically toughened glass, or laminated glass, but its been recently shown that the resultant thicknesses can be reduced yet approved if testing is carried out to the authorities satisfaction. Most calcs are based on a pressure head.

An example (from memory)....120 ft yacht, hull side window toward the fwd end, unsupported clear area 1100mm long, 600mm high (aspect ratio roughly 2:1).....30mm thick laminated glass complies with RINA charter with no need for storm shutters...well it does this year anyway.

Koi, or Orca?

Very interesting concept, but I do have to agree with Seafarer. It instantly reminded me of an orca. One critique though, It looks like you've blocked a lot of vision from the helm.