13 - Case Mods & Custom Enclosures
Commercial Sources (Pre-Built / Printed)
| Seller / Creator | Platform | Designs | Notes |
|---|---|---|---|
| NexGen-3D (nexgen3d) | Printables ↗, Etsy ↗, eBay ↗, GitHub ↗ | Steam Machine V1-V3, REDUX, Liquid Cooled Pro, AIO Mount | Flex ATX. Most popular commercial option. Multi-variant. V3 is latest. REDUX supports LOP-300/Flex/Server PSUs |
| gennro | Printables ↗ | ATX PSU Bazzite Box | Full ATX PSU. US-based printing service |
| paul_lionking | eBay | Pre-built BC-250 consoles | Full assembled units with case |
Sources: nexgen3d, 14 Nov 2025 (V1 launch); 11 Feb 2026 (Liquid Cooled Pro); 22 Mar 2026 (REDUX). gennro, 2 Jan 2026. NexGen-3D (part 11), ~Nov 2025 (Etsy listing).
Free / Open-Source 3D-Printable Designs
Flex ATX PSU Designs
| Design | Creator | Link | Notes |
|---|---|---|---|
| ASRock Shell Case | onemorecap | Printables ↗ / MakerWorld ↗ | Snap-on shell. Fits Mean Well LOP-300-12 inside. Friction-fit. Heated inserts + fasteners |
| MK-ULTRA Uno | morph91 | MakerWorld ↗ | Tool-less assembly. Single 120mm fan. Flex ATX (tested with Metalfish 300W). PETG recommended |
| MK-ULTRA Duo | morph91 | MakerWorld (same page) | Dual-fan push-pull variant |
| Minimalist Case | seb.gauge | Printables ↗ | No supports. 2-3 parts. Flex ATX (Metalfish 300W). 120mm fans. No brass inserts |
| Black Box | juliuuscaesar | Thread only (project-forums) | ~5L. Flex PSU. 120mm main fan + optional 90mm rear. PETG |
| Toolless Compact | chriszf | Onshape (public project) | Flex ATX. Hex mesh design. Assembly guide in thread |
| Easily Printable Case | jayrule | Thread only (project-forums) | 0 screws (except fans). No bridges/overhangs. Superglue assembly |
| Generic/Simple Case | emiliano_1590 | STEP files in thread ↗ | SolidWorks. 140mm Thermalright fan. Basic design |
Sources: onemorecap17, 14 Mar 2025. morph91, 4 May 2026. seb.gauge, 23 Jan 2026 (Minimalist). juliuuscaesar, 4 May 2026. chriszf thread started ~13 Nov 2025. jayrule, 24 Nov 2025. emiliano_1590, 10 Nov 2025.
External PSU / Smallest Form Factor Designs
| Design | Creator | Link | Notes |
|---|---|---|---|
| Smallest Possible Case | __sapoperro__ | Thread only (project-forums) | External PSU. Concept. Fan mount from NexGen-3D. Based on FBI's original concept |
| Slim BC250 | cakewalk_ | Thread only (project-forums) | Mean Well UHP-350-12. 3x 40mm fans. Thin profile. 4 main parts |
| Air Flow Helper (Shell Case mod) | froginasock | Tinkercad ↗ | Drop-in guide for laminar flow into heatsink. External PSU setup |
| Noctua Push-Pull Mod (Shell Case) | (community) | MakerWorld ↗ | Dual Noctua fans for Shell Case. Silent operation at 74C |
Sources: __sapoperro__, 11 Mar 2026. cakewalk_, 5 Dec 2025. froginasock, 3 Nov 2025. MakerWorld mod, Mar 2026.
ATX / SFX PSU Designs
| Design | Creator | Link | Notes |
|---|---|---|---|
| ATX PSU Bazzite Box | gennro | Printables ↗ | Full ATX PSU. Compact layout |
| BC-250 Case w/ Full ATX PSU + Tower Cooler | safwyl | GitHub ↗ | Full ATX PSU. Peerless Assassin 120mm tower cooler. ~63-70C with PTM7950. 2x120mm intake |
| Obelisk Case | ivanin3d | Thread only (project-forums, WIP) | SFX PSU (Corsair SF600). Toolless. 2-fan layout. Vertical obelisk aesthetic |
Sources: gennro, 2 Jan 2026. safwyl, 12 May 2026. ivanin3d, 17 Jan 2026.
Advanced / Specialized Designs
| Design | Creator | Link | Notes |
|---|---|---|---|
| DeepCool Tower Cooler Case | seb.gauge | Printables ↗ + Bracket ↗ | DeepCool AK500 SE Digital. 60C at 3800MHz CPU / 2200MHz GPU. 50% fan. USB display |
| The Lanboy (WIP) | seb.gauge | Thread only (project-forums) | Portable. 16" 1920x1200 panel. DP-to-eDP. Flex ATX. 120mm + 92mm fans |
| Game Console Case (Steam Machine) | Arthrimus (main contributor) | Thread only (project-forums, 7500+ msgs) | Console-style. Large community thread. Multiple iterations |
Sources: seb.gauge, 13 Mar 2026 (DeepCool); 15 Feb 2026 (Lanboy). Arthrimus thread started 1 Nov 2025.
Accessories & Mods
| Item | Creator | Link | Notes |
|---|---|---|---|
| AMD Clip Cooler Adapter | biohazardv2.0 | Printables ↗ | Mount AM4/AM5 clip coolers (air or AIO) |
| ATX PSU Control Adapter | mosfetparty (anton) | GitHub ↗ | Wiring diagrams + 3D models. Auto PS_ON |
| Remote PSU Controller | PetteriLah | GitHub ↗ | ESP32-based wireless PSU control |
| AIO Mount for BC-250 | NexGen-3D | Printables ↗ | 240mm AIO support |
Key Considerations
Full Catalog
For the most comprehensive, searchable catalog of BC-250 case designs (145+ entries with photos, filtering by PSU type, availability, and more), visit:
This addendum only covers the most notable / heavily-discussed designs from the community Discord.
Credits
All case designs listed here were created by community members and shared freely or commercially. Links were verified against Discord exports (project-forums channel, 2025-11-01 to 2026-06-12). If your design is missing or a link is outdated, please open an issue or PR on the guide repository ↗.