the DIY cases thread!

Cwejman, Livewire, TipTop Audio, Doepfer etc... Get your euro on!

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McRINdk
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Complete and populated

Post by McRINdk » Thu Feb 27, 2020 5:40 am

Finally all complete after 1 year of stuffing around.
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KittenVillage
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Re: the DIY cases thread!

Post by KittenVillage » Thu Feb 27, 2020 7:02 pm

I finished my 12u 126hp case yesterday and have everything racked. I used 3/4" birch ply for the sides, top and front. I tried rasping out a curve in the front, but ended up putting wood putty down to make a smooth curve there. Then I used a 5/8ths inch square dowel behind that when I discovered the spacing of the rails was going to be a bit too wide. Also the sides, back and front are put together using those square dowels as well.

I used NLC's design pattern off thingverse for the sides, but then I gridded it out while I was super tired late at night (as usual, small kids here,) so I ended up with it being an extra inch deep. I've had to make a bunch of new power cables today! I've got more room on top of it for stuff!

Considering I used a scroll saw checked out from a local tool library, and that it took me months,(power supply was bought last September!) I am really happy with it. Though I'll have it filled completely in a month! I've got 12 modules almost complete!

I know there's plenty of folks on here with awesome wood shops and lots of skill, but I wanted to show off what I managed to do with none of that.
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Eurorack is an exercise in delayed desire.

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pekbro
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Re: the DIY cases thread!

Post by pekbro » Fri Feb 28, 2020 12:08 am

KittenVillage wrote:
Thu Feb 27, 2020 7:02 pm


I know there's plenty of folks on here with awesome wood shops and lots of skill, but I wanted to show off what I managed to do with none of that.

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Looks pretty good to me :tu: Maybe next time get yourself a spokeshave if you want to round the edges evenly. 8-)

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McRINdk
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Added a matching 3U percussion skiff

Post by McRINdk » Fri Feb 28, 2020 10:42 am

I also just finishe the 3U matching precussion skiff for this rack. it can sit either, on top if I need the Keystep up front, or out in front for performative ease.
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KittenVillage
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Re: the DIY cases thread!

Post by KittenVillage » Fri Feb 28, 2020 1:13 pm

I just wrote up a bunch of build notes for the DIY Synth Case Builder's Facebook group, so I've put it together with a bunch of pics and printable side patterns into an archive here:



Eurorack is an exercise in delayed desire.

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McRINdk
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18U 104HP Case Complete, Ai Plans attached

Post by McRINdk » Sat Mar 07, 2020 3:54 pm

McRINdk wrote:
Tue Feb 25, 2020 6:34 am
DC Wiring side complete. Testing complete (all works). Unfortunately I blew a 5v fuse when testing 5v rail on distro, shorting it to ground with sloppy use of the multimeter probes.

Now I have to wait for the damn fuses to arrive before populating it.

I've attached the plan files. One with detail and one clean for cutting. Feel free to use.

GRRRR
I'm aslo attaching the Adobe Illustrator files that I cut from as requested. this will give the proper dimensions etc relevant to my build.
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MCRindk AI 18U 104hp case for MW.ai
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skautkurt
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Re:

Post by skautkurt » Fri Mar 13, 2020 11:39 am

I took a page out of Vcs3's book, and went ahead to find a suitcase on the ebay classifieds. I put some rails I had laying around in there and made the lid removable. Just waiting on some IDC connectors now, and then the fun can begin. Having a nice portable setup is really nice.
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Vcs3 wrote:
Sun Dec 21, 2014 4:47 am
My latest DIY - a vintage briefcase from a thrift store. I wanted something that looked like an EMS Synthi case and it took a while to find the right case. I removed the pins from the hinges so I can easily put the front back on. The entire thing is powered by a TipTop µZeus.

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Boodaleechees
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Re: the DIY cases thread!

Post by Boodaleechees » Fri Mar 13, 2020 11:52 am

That's a big ol' slide rule!

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arthurdent
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Re: the DIY cases thread!

Post by arthurdent » Fri Mar 13, 2020 2:37 pm

Boodaleechees wrote:
Fri Mar 13, 2020 11:52 am
That's a big ol' slide rule!
I remember seeing one like that in a classroom once - back in the '60's - they used it as a teaching aid for learning how to use one.

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Re: the DIY cases thread!

Post by DEEMARKAY » Tue Mar 17, 2020 5:45 pm

Second case with bigger PSU after Syntherjack with double fused inlet and grounding rails for both old and new case after reading many many threads on grounding and proper 0V referencing. I'm sure it's still not quite adequate, but got rid of the audible noise and hum. Thank you, Graham Hinton, for your tireless effort educating on that topic!
Heatsinks of new PSU will need updating at some point. Also I still have to test if the doepfer diy kit psu will be able to power the completely populated case.
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Klupit
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Re: the DIY cases thread!

Post by Klupit » Tue Mar 24, 2020 4:29 am

I just finished my suitcase. I tinker with a lamp but a little too powerful .... I will work on the closing hinges so that the cover is removable ....
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msegarra
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Re: Complete and populated

Post by msegarra » Sun Mar 29, 2020 8:17 pm

McRINdk wrote:
Thu Feb 27, 2020 5:40 am
Finally all complete after 1 year of stuffing around.
This is pretty much exactly what I’m planning to build how many hp wide is this?

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msegarra
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Re: Added a matching 3U percussion skiff

Post by msegarra » Sun Mar 29, 2020 8:18 pm

McRINdk wrote:
Fri Feb 28, 2020 10:42 am
I also just finishe the 3U matching precussion skiff for this rack. it can sit either, on top if I need the Keystep up front, or out in front for performative ease.

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McRINdk
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Re: Complete and populated

Post by McRINdk » Mon Mar 30, 2020 4:30 am

msegarra wrote:
Sun Mar 29, 2020 8:17 pm
McRINdk wrote:
Thu Feb 27, 2020 5:40 am
Finally all complete after 1 year of stuffing around.
This is pretty much exactly what I’m planning to build how many hp wide is this?
Hi, it s 104HP 18U studio case + 3U skiff. The measurements etc are in the files I posted including what rails etc.

zarar
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Re: the DIY cases thread!

Post by zarar » Wed Jun 24, 2020 5:02 pm

Anyone 3d printed the endcheeks? I made a 1U side cheek here from the measurements on pulplogics website, will try to mount it next week or so.

https://www.thingiverse.com/thing:4498020

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Re:

Post by planetarfractals » Sat Jun 27, 2020 5:58 pm

Kieftenbelt wrote:
Wed Jul 03, 2019 6:04 am
Built a "wanna-be" Frap Tools/Buchla case, with Frap Tools Plus pieces.
CNC cutted wood, nice mechanics inside, I'm happy!

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Hello Kieftenbelt,

Frap Tools is among the best cases out there, bit out of my pocker reach, Wanna ask you - could you share CNC design measures files with me, so I could build my own one ?

I would be grateful eternally
planetarfractals*

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myrtha
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Re: the DIY cases thread!

Post by myrtha » Fri Jul 03, 2020 4:32 pm

The light travel case! :mrgreen:
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noisewreck
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Re: the DIY cases thread!

Post by noisewreck » Wed Jul 08, 2020 2:58 pm

Just finished this case.

Full build thread here.

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pieter
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Re: the DIY cases thread!

Post by pieter » Wed Jul 08, 2020 5:12 pm

wow, very nice case! love the front grill and the placement of the PSU

noisewreck
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Re: the DIY cases thread!

Post by noisewreck » Thu Jul 09, 2020 12:18 am

pieter wrote:
Wed Jul 08, 2020 5:12 pm
wow, very nice case! love the front grill and the placement of the PSU
Thank you! Took some doing :lol:

andybizarre
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Re: the DIY cases thread!

Post by andybizarre » Thu Jul 09, 2020 10:48 am

Wow noisewreck that case is stunning! Would you care to elaborate a little on your power topology? I quite don`t get from just looking at the pics. Do you experience any noticeable transformer hum with the Acopians? Thanks!

noisewreck
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Re: the DIY cases thread!

Post by noisewreck » Thu Jul 09, 2020 5:37 pm

andybizarre wrote:
Thu Jul 09, 2020 10:48 am
Wow noisewreck that case is stunning! Would you care to elaborate a little on your power topology? I quite don`t get from just looking at the pics. Do you experience any noticeable transformer hum with the Acopians? Thanks!
Thank you for the kind words!

Perhaps these pictures would make things look clearer:

The two supplies towards the front of the pic are the -12v (left) and +12v (right) supplies. The smaller one sitting in the back towards the left is for +5v
The two busbars in between the supplies are 0v/ground. I have both mains ground and 0v outs from the supplies connected to these.
Image

This one shows more of the stuff in the power supply compartment. The 5 busbars attached to the back of the diagonal cover are for distributing power to the top and bottom busbars in the front of the case:
Image

You'll see that there are a pair of 0v bars. This is to split the 0v busbars that are infront of the case, so 3 of the LIBB busboards have their 0v outs connected to one 0v bar and the other 3 connected to another, just for further isolation on their way down to earth/ground bar.

As for hum from the supplies...its not really noticable. I have to pretty much put my ear in the back to hear them. They definitely disappear in the general background noise in the room in the normal playing position. My computer fans can certainly get louder than the PSU hum.

Hope that helps.

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Re: the DIY cases thread!

Post by andybizarre » Wed Jul 15, 2020 3:14 pm

Thank you so much for the pictures and explanation! I`m thinking about switching my 5A dual output Bell Power PSU`s with Acopians, since they`re emitting transformer hum and heat excessively. I haven`t decided yet which route to go, there`s still room for improvement with my DIY cases.

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Re: the DIY cases thread!

Post by diggida » Wed Jul 15, 2020 4:17 pm

Wow, lots of really impressive building in this thread! Great works guys!

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Re: the DIY cases thread!

Post by noisewreck » Sat Jul 18, 2020 1:14 am

andybizarre wrote:
Wed Jul 15, 2020 3:14 pm
Thank you so much for the pictures and explanation! I`m thinking about switching my 5A dual output Bell Power PSU`s with Acopians, since they`re emitting transformer hum and heat excessively. I haven`t decided yet which route to go, there`s still room for improvement with my DIY cases.
My pleasure!

So, out of curiosity, last night I turned off everything in the room and just had the modular on, and I could hear the hum. It wasn’t obnoxious and was pretty low, but with everything quiet, I could hear it. With the AC on, the AC noise itself easily drowns it for example. During the day, there is enough ambient noise in general that I can’t hear it. Hope that’s a good enough reference.

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