Im just waiting on some parts for the grr. I didnt have the right diodes and such on hand. 
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helloooooo everyone! so as we all know! @CTorp has stretched the format to include 2.5cm wide panels! but it got me thinking, I have a design or two that would possibly suit 7.5cm and even 12.5cm because in these instances 10cm and then 15cm would be far too sparse. is this sacrilege? 
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I sayā¦ Bring it on!
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JFDI @lookmumnocomputer. JFDI
āPars mea et praecepta meaā
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If youāre wondering what a 7.5 cm Kosmo module might look like:
(See, itās a very nice width for 4 jacks across!)
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whey! very nice!!! to the untrained eye that would look like a 10cm 
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Yes, bring 'em on!
I really like the 2.5 cm panels (I built one today) and 7.5 cm also looks great!
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I honestly have no idea how many modules Iāll finally end up being able to fit in my case, so Iām not worried! XD
Personally, I am against the notion, but more from an aesthetic point of view than the technical āthatāll be a pain to plan filling my rackā one. The current module sizes, if we assume 10cm to be the āstandardā with a value of 1, are all whole fractions (1/2 - 5cm, 1/4 - 2.5cm, 2/1 - 20cm etc) and something deep inside me cries out in pain at the thought of 3/4 and 5/4 module widths. It also means that if you want one of these newer āunusual fractionā modules you will need to ensure that you have either two of them, or access to the 2.5cm space filler utilities in order to have rack widths that have a whole number of standard rack spaces, the more technical objection. But this is just my opinion, and if you have something that just wonāt fit at 5cm or 10cm then go for it.
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But 2.5 cm is a āstandard rack spaceā, one might say the fundamental unit. Reading from the Book of Kosmo:
yes all these designs are actually in their own format, i call it the kosmo format but it has also been called metric 5U in the past, but it is completely compatible with eurorack, it even uses the same power connectors, and here is the criteria :-
-20cm tall panels widths of 2.5cm/5cm/10cm/20cm/40cm/60cm/80cm
Everythingās multiples of 2.5 cm: 1x, 2x, 4x, 8x, 16x, 24x, 32x. Looks like powers of two until you hit that 24x there. Anyway, 7.5 and 12.5 are just 3x and 5x.
I donāt bother myself about making cases that are exact multiples of, well, anything, because my homemade panels are far from exact multiples of 2.5 cm, and if I get down to a hole too small to put a module in I can stick in a blank panel. (Itās pure coincidence the top row of Kosmogenesis ended up with an exact 2.5 cm gap which my K25 LFO will fill when I get around to making a cable for it.)
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GRNDS, 2xVLPG from cruxFX and a few blank panels have used 2.5cm and 7.5cm and as well some have ground aluminum panels to not exact 5cm unit widths because as Iāve read they sometimes arenāt accurately ground so essentially Iāve known for a while the ends of rows would need some other odd panels to complete them. If someone likes all 10cm panels even and perfect itās their synth. I look forward to LMNC panels taken the odd width now and then.
-Fumu / Esopus
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@d42kn355 joshes new kosrolz module will be 12.5 also
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I got my notion of the standard module width from the old Zine 6 page about panels where Sam recommended 10cm, 20cm and 40cm widths, to be honest I havenāt read the modular specs page for ages and I have a feeling the āzine predated it. Itās why I have 10cm so clearly stuck in my head. But again itās just me.
Also I get a massive bee in my bonnet when my measurements are off. It makes what should be easy DIY projects for me into stressful exercises in geometry and precision machining lol. Like you split your vector rails into sizes that would literally drive me up the wall. Iād rather spend more and waste some material so I have nice precise 1m cases (although my current is 80cm as specād in Zine 6, but the new one is going to be wider when the pre cut panels and rails turn up in a few weeks) but this just boils down to me being peculiar
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Cory,
That one Iām really curious to try and it escaped my memory. I assumed everyoneās been talking about your k25 series so it didnāt escape me. I just didnāt redundantly mention it once more.
-Fumu / Esopus
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The KOSROLZ I just designed is 12.5cm
I think the most sacrilegious is my BRAIDSā¦ lol its like 8.5 lolol
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Personally I find that the 2.5 cm modules are really too small.
5 cm is really my minimum.
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exactely the same for me 
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I guess to me being against 2.5cm is a bit conditional. After all, if you had a passive mult you wouldnāt really need much more space than that. Just because 2.5cm isnt a good fit for a Kosmo VCO doesnt mean that a simple LFO module or similar wouldnt be perfect at that size.
My case is still a cobbled together wood frame with wood screws. Im not too fussed about it being exact since it wouldnt be anyways.
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You could always do 7.5 and 12.5 cm modules and then also sell 10 and 15 cm versions of the panels for those who wantā¦ I mean, theyād be just blank space on the edges, but at least theyād be canonical!
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I have holding off on that one for that reason. And i dont have a braids to convert yet. Still rad though.
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