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This is still a thing and I have printed a few parts so far. I've gotten quite busy so I just haven't had too much time.

This is still a thing and I have printed a few parts so far. I've gotten quite busy so I just haven't had too much time.

This is still a thing and I have printed a few parts so far. I've gotten quite busy so I just haven't had too much time.

I managed to put in a lot of time and get pretty much all of the medium details done, as well as reworking the case height to fit the printer height:
 

 
I got rid of all the wasted space on the motherboard and I'm moving the two fans to the base which I'll design and print separately. I'll also increase the bottom intake fan compatibility to 140mm instead of just 120mm. Here is the fan support for the case:
Front: 1x 140mm
Bottom: 2x 140mm
Top 3x 140mm (plus 30mm thick radiators that are 140mm, 280mm, or 420mm)
Rear 2x 70mm
 
I also changed the top of the case so the radiator will be supported by the top and not the bottom. I also made a larger gap in the power supply shroud so the radiator tubing can fit through. It's pretty much all detail work from here on, since I need to find a way to attach fans easily, and find the proper placement for the screws.

I decided on rectangles as the shroud for vents. Triangles didn't fit and rhombuses didn't work well enough. I also added a base to elevate the case for the bottom intake fans, which will be doing a majority of the work putting air into the case. The front panel has limited vents to help suppress noise and have a nice clean look and to cover the power supply intake and somewhat awkward looking placement of the front fan. I also added a short cover to the top of the case to cover the fans and the tabs that will support the sidepanels. The sidepanels will slide in from the top and be held in by two screws. 
 
I also did various minor improvements to help make it look better and improve compatibility. 
 
 

I bought a 280mm radiator. It's a be quiet! Pure Loop and it's quite excellent despite being quite cheap compared to other 280mm radiators. Fit my system perfectly with the white led ring and aluminum on the block. I'll likely change out the fans for something different, though. to better fit the color scheme. The orange on the sticker of the fans is distracting. I also got 16GB more RAM since I ran out while doing other 3D modeling. 4 slots filled looks nice.
 
I worked a little more on the case tonight. Just putting holes so fans can be fans, and a slot for the radiator tubes to fit in. I also added a shroud for the front of the case to make it look better and reduce noise slightly. I'm thinking for the holes in the shroud I'll use a patterns with triangles or rectangles. I need to do a bit of a study on what patterns will match the design language of the parts in the system. I'm thinking triangles may not fit well, but I need to do more work. I am also going to put a "cap" on the top and bottom of the case to hide the fans and elevate the bottom intake fans. This will increase size, but they will also be removable, The front shroud will likely also be removable. I do need to find a place to put front I/O and the power button as well.

I built a system in it too, of course. It was good to do a test case like this, especially because I need to improve a lot. These parts don't run hot enough to reach the glass transition temperature of the PLA, so it should be fine, with exception perhaps of that hard drive cage which I lazily mounted via friction to the heatsink because I was lazy and it looked like a good spot. I'm not going to paint it since it was difficult to assemble and I don't want to disassemble it. I also need to add a power button.
 
If you're interested in the specs:
i5-6600T
16GB DDR4
GTX 1650 Super
1TB HDD + 240GB SSD

Little case is done! I definitely didn't finish it a while ago and forgot to put it here.
 

I built a system in it too, of course. It was good to do a test case like this, especially because I need to improve a lot. These parts don't run hot enough to reach the glass transition temperature of the PLA, so it should be fine, with exception perhaps of that hard drive cage which I lazily mounted via friction to the heatsink because I was lazy and it looked like a good spot. I'm not going to paint it since it was difficult to assemble and I don't want to disassemble it. I also need to add a power button.
 
If you're interested in the specs:
i5-6600T
16GB DDR4
GTX 1650 Super
1TB HDD + 240GB SSD

Little case is done! I definitely didn't finish it a while ago and forgot to put it here.
 

I have solved some more issues with my prints. I had the wrong retraction distance for the filament. I was using direct drive retraction settings for my bowden feed extruder. I also slowed it down a bit more which helped get rid of some more quality issues around edges. The layers could still be more consistent and it still has other little quality issues. I'm kinda confused because everything seemed to be ok with my first few prints which included fine details.
 
I paused the big case to print a little case for a pc I'm giving to my sister, and it's a good time to practice more since my test bench case did not print well. This is the overall design:
 

 
I decided it was a better idea to print in many sections and assemble them instead of trying to do one monolithic print.
 

 
From left to right: Front sidepanel, hard drive cage, top, rear, gpu holder, fan holder, bottom, rear sidepanel (non-removable), and front. For case feet, I'll probably just do rubber pads of some kind.
 
More important information: The glass transition temperature for PLA is somewhere around 55-60C, which means it'll lose structural integrity and warp when heated to or beyond this point. This is not good for obvious reasons, especially for something like a motherboard tray. I am using PLA for this case though because it has low powered hardware and (i5 6600T and GTX 1650 Super). I will do tests on how hot the hardware gets, and if it is near or beyond this temperature, I'll get some thermal reflective tape and put that in places that need it such as on the motherboard tray and on the surfaces around the gpu.
 
I'm just including everything that isn't the main ATX case because this is my process from idea to finished product. I'm testing it not through prototypes of the finished case, but other cases. I guess that's a bit odd but whatever.
 
For the main ATX case that I was supposed to be working on and this thread was all about, I am redesigning that one from the ground up. I need to make it more compact and design it with consideration that it will be printed in multiple pieces and assembled after. I'm not sure how "compact" compact will be since I'm likely putting in a 420mm radiator (450mm total length) and a chunky video card (if I can get my hands on one or if Zotac ever releases it).

Printer has been working for a bit but I've had three failed prints due to warping so I've been tuning the settings. I think I've got it now so if everything is good, one part for the testbench will be completed about 24 hours from now.

Bonus round!
 
I needed a test bench case asap so I decided to design my own tonight:
 
 
 
It is built in five parts and is completely tool-less. The motherboard is held in by captive standoffs, and the motherboard tray fits onto the bottom part that stores the power supply with more captive standoffs, and slots on the back of the tray. The pcie bracket is friction fit and very basic to only stabilize the gpu since it doesn't need to hold it sideways in a case. There are two removeable support standoffs in the bottom to make room for longer power supplies.
 
I do need to tweak the pcie bracket once more to clear any smds (surface mounted devices) on the motherboard, and any motherboard i/o since it intrudes into that area at the top.
 
This'll be a kind of a test run for my case, and will be printed with 20% infill and 2.4mm thick walls on a 0.8mm nozzle. Print settings will be: Bed - 45C, Nozzle - 200C, Speed - 60mm/s. I'll print the top, then bottom, then the three extra parts.

I've gotten to the top:
 

 
I did end up running out of space, so I need to move the fans from the bottom of the case to the separate base. I may also have to get rid of the gap to pass the cpu power cable and just put it behind the motherboard. Please note that not being able to remove the cpu power connector without removing the entire motherboard first it horrible design, but I am making this for myself, so it doesn't matter too much to me. If I was designing this for a wider audience, I would definitely keep the gap.
 
I do need to figure out how to support the massive overhang in the back of the case. I'm not remotely done with that area so I'll get to it when I'm working on the rest of the back.

I'm just making this out of PLA since it is easy to work with and is cheap. I'm studying industrial design. I'm not sure if I could make a living off of this since I haven't really thought about it too much, but it could definitely supplement income. ITX cases would probably be easier and bring in more profit.

I managed to put in a lot of time and get pretty much all of the medium details done, as well as reworking the case height to fit the printer height:
 

 
I got rid of all the wasted space on the motherboard and I'm moving the two fans to the base which I'll design and print separately. I'll also increase the bottom intake fan compatibility to 140mm instead of just 120mm. Here is the fan support for the case:
Front: 1x 140mm
Bottom: 2x 140mm
Top 3x 140mm (plus 30mm thick radiators that are 140mm, 280mm, or 420mm)
Rear 2x 70mm
 
I also changed the top of the case so the radiator will be supported by the top and not the bottom. I also made a larger gap in the power supply shroud so the radiator tubing can fit through. It's pretty much all detail work from here on, since I need to find a way to attach fans easily, and find the proper placement for the screws.

Bonus round!
 
I needed a test bench case asap so I decided to design my own tonight:
 
 
 
It is built in five parts and is completely tool-less. The motherboard is held in by captive standoffs, and the motherboard tray fits onto the bottom part that stores the power supply with more captive standoffs, and slots on the back of the tray. The pcie bracket is friction fit and very basic to only stabilize the gpu since it doesn't need to hold it sideways in a case. There are two removeable support standoffs in the bottom to make room for longer power supplies.
 
I do need to tweak the pcie bracket once more to clear any smds (surface mounted devices) on the motherboard, and any motherboard i/o since it intrudes into that area at the top.
 
This'll be a kind of a test run for my case, and will be printed with 20% infill and 2.4mm thick walls on a 0.8mm nozzle. Print settings will be: Bed - 45C, Nozzle - 200C, Speed - 60mm/s. I'll print the top, then bottom, then the three extra parts.

I'm just making this out of PLA since it is easy to work with and is cheap. I'm studying industrial design. I'm not sure if I could make a living off of this since I haven't really thought about it too much, but it could definitely supplement income. ITX cases would probably be easier and bring in more profit.

I managed to put in a lot of time and get pretty much all of the medium details done, as well as reworking the case height to fit the printer height:
 

 
I got rid of all the wasted space on the motherboard and I'm moving the two fans to the base which I'll design and print separately. I'll also increase the bottom intake fan compatibility to 140mm instead of just 120mm. Here is the fan support for the case:
Front: 1x 140mm
Bottom: 2x 140mm
Top 3x 140mm (plus 30mm thick radiators that are 140mm, 280mm, or 420mm)
Rear 2x 70mm
 
I also changed the top of the case so the radiator will be supported by the top and not the bottom. I also made a larger gap in the power supply shroud so the radiator tubing can fit through. It's pretty much all detail work from here on, since I need to find a way to attach fans easily, and find the proper placement for the screws.

I've gotten to the top:
 

 
I did end up running out of space, so I need to move the fans from the bottom of the case to the separate base. I may also have to get rid of the gap to pass the cpu power cable and just put it behind the motherboard. Please note that not being able to remove the cpu power connector without removing the entire motherboard first it horrible design, but I am making this for myself, so it doesn't matter too much to me. If I was designing this for a wider audience, I would definitely keep the gap.
 
I do need to figure out how to support the massive overhang in the back of the case. I'm not remotely done with that area so I'll get to it when I'm working on the rest of the back.

This is as far as I got last night:
 

 
I am doing a basic model with less detail before going back and finishing things up such as screw hole placement and additional supports for fans and such. The large cutout at the bottom will house two 120mm intake fans. One or two additional intake fans will be at the front, as well as the power supply. The power supply will intake through the front and exhaust through the bottom, which is not perfectly ideal, but the air coming out of it shouldn't be warm enough to cause any issues if the air gets pulled in by the bottom intakes. I will be printing a separate base for the case to rest on to give it proper elevation. I may put an intake fan at the back, but I'm not sure yet. 
 
Part of the unconventional design, the air from the bottom intake fans will be passed partially behind the motherboard tray to provide the radiator with some air that has not been cycled through the gpu. The other intake fans are pretty much dedicated to providing intake for the radiator and to have a positive pressure case to reduce dust buildup. Also since the radiator is 450mm long and I only have 450mm to work with, a little bit of it will be sticking out of the back of the case.
 
Additionally, the case is a whole 4mm shorter than my first design attempt. I want to accommodate long gpus, so I have provided a very generous 335mm of space. (Longest RTX 3080 is 332mm for example, so the space is not really overkill). Having the radiator at the slight angle actually increases case width by 10mm, but I like the look of it much better than flat or a steeper angle. It is tilted at 55 degrees off vertical.

The printer has a huge print area of 450x450x470mm so I'm working in the generous confines of that. I guess by "compact" I was trying to say space-efficient. My current case is a Lian LI Alpha 550X and it is large and heavy, and it was taking up too much space in my dorm.
 
I would've gone the actual SFF route but I just can't give up big motherboards and graphics cards and extra expansion.
 
Edit: I changed the title to reflect this because I don't even think this case is going to be very space efficient anymore.

I am starting my journey of designing and building a case for myself. I have done so in the past, and also started a lot of projects that I was unable to finish. Now that I have a 3D printer, a Creality CR-10 Max, and have done some test prints to assure functionality and quality of the printer, I can actually easily finish projects. I am unhappy with other cases on the market, and I'm going to design one. This case will replace the one I currently own, and the overall build theme will be black and white, with the case being mostly or entirely black. 
 
This is what I'm thinking of for the first design prototype. The case will have the motherboard with the i/o facing the bottom. The radiator will be at the top at an angle to reduce case thickness. The graphics card will be mounted vertically with enough room to breathe, but a small extension cable will be needed to get the display output to the bottom of the case. There will be some intake fans at the front and rear. The case will be positive pressure.
 
Other modifications will be replacing the motherboard to match the theme and get rid of the stupid X570 chipset fan. B550 is all I need anyways. I'll also be replacing my 360mm radiator with a 420mm. I may print a cover for the motherboard, similar to the old z77 ASUS Sabertooth boards and others from around then. I don't intend to add fans to it like the Sabertooth, but I will keep an eye on temperatures to make sure I'm not suffocating anything. Hopefully I'll be able to snag an RTX 3080 sooner rather than later. (I know RX 6000 series cards are right around the corner but I've had so many issues with Radeon cards, including two 5700XTs dying, that I'm avoiding them for some time).
 
I am designing it in SketchUp if anyone asks in the future. I'm starting today and I'll work on it between classes and homework and life and such, so it may take some time to complete.

I am starting my journey of designing and building a case for myself. I have done so in the past, and also started a lot of projects that I was unable to finish. Now that I have a 3D printer, a Creality CR-10 Max, and have done some test prints to assure functionality and quality of the printer, I can actually easily finish projects. I am unhappy with other cases on the market, and I'm going to design one. This case will replace the one I currently own, and the overall build theme will be black and white, with the case being mostly or entirely black. 
 
This is what I'm thinking of for the first design prototype. The case will have the motherboard with the i/o facing the bottom. The radiator will be at the top at an angle to reduce case thickness. The graphics card will be mounted vertically with enough room to breathe, but a small extension cable will be needed to get the display output to the bottom of the case. There will be some intake fans at the front and rear. The case will be positive pressure.
 
Other modifications will be replacing the motherboard to match the theme and get rid of the stupid X570 chipset fan. B550 is all I need anyways. I'll also be replacing my 360mm radiator with a 420mm. I may print a cover for the motherboard, similar to the old z77 ASUS Sabertooth boards and others from around then. I don't intend to add fans to it like the Sabertooth, but I will keep an eye on temperatures to make sure I'm not suffocating anything. Hopefully I'll be able to snag an RTX 3080 sooner rather than later. (I know RX 6000 series cards are right around the corner but I've had so many issues with Radeon cards, including two 5700XTs dying, that I'm avoiding them for some time).
 
I am designing it in SketchUp if anyone asks in the future. I'm starting today and I'll work on it between classes and homework and life and such, so it may take some time to complete.

A Dell AT101W dated 6/25/95 I found today. I'm planning to clean it up.