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107 3D printable enclosures and cases you can make to your measurements

Boxes and lids for PCBs, sensors, batteries and small electronics. 51 of them have a ready-made model you can open free in a free account (no card) and resize in the viewer; the others are built from their prompt with AI (2 credits per request). Downloads (STL, 3MF or G-code sliced for your printer) use credits: 75 credits for $5 once, no subscription.
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Ready-made enclosures and cases you can open free (51)

ESP32-S3 SuperMini case with USB-C, 3D printable partOpens free
ESP32-S3 SuperMini case with USB-CA snap case for an ESP32-S3 SuperMini with a USB-C window, two GPIO slots and 2 mm vents.
Home Assistant Yellow DIN-rail clip, 3D printable partOpens free
Home Assistant Yellow DIN-rail clipA clip that hangs a Home Assistant Yellow on a 35 mm DIN rail with 0.3 mm snap.
Logitech MX Anywhere 4 travel case, 3D printable partOpens free
Logitech MX Anywhere 4 travel caseA two-part case for an MX Anywhere 4, 110 × 70 × 40 mm with 0.4 mm clearance and a 8 mm dongle well.
Matter Thread border-router case for nRF, 3D printable partOpens free
Matter Thread border-router case for nRFA vented case for an nRF52840 Thread border-router board with SMA and USB-C cutouts.
Oura Ring 4 charger travel capsule, 3D printable partOpens free
Oura Ring 4 charger travel capsuleA 40 mm diameter capsule that holds an Oura Ring 4 on its official puck plus 40 cm of USB-C cable.
Raspberry Pi 5 Hailo HAT case, 3D printable partOpens free
Raspberry Pi 5 Hailo HAT caseA case that clears a Pi 5 with the Hailo AI HAT, 30 mm extra height, GPIO slot and 40 mm fan vents.
Shelly 2PM Gen3 DIN-rail adapter, 3D printable partOpens free
Shelly 2PM Gen3 DIN-rail adapterAn adapter that snaps a Shelly 2PM Gen3 onto a 35 mm DIN rail with 0.3 mm clearance.
Sonoff MINIR4M junction-box insert, 3D printable partOpens free
Sonoff MINIR4M junction-box insertAn insert that holds a MINIR4M in a 80 × 80 mm junction box with strain-relief slots.
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Adafruit Feather case for a FeatherWing stackAn enclosure built around the Adafruit Feather form factor: 50.8 x 22.8 mm boards with 2.5 mm mounting holes on a 45.72 x 17.78 mm pattern.
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AirPods Pro 2 case belt clip with carabiner holeA snap-on sleeve for the AirPods Pro 2 charging case (60.6 x 45.2 x 21.7 mm) with a spring belt clip on the back and a 6 mm carabiner hole on top, so the ear…
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AirTag dog collar holder for 20 mm collarsA screw-closed AirTag holder that slides onto a 20 mm dog collar and sits flat against the neck, so the tag does not dangle, jingle or snag in bushes.
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AirTag luggage tag holder with screw-closed caseA luggage tag that hides an Apple AirTag (31.9 mm diameter, 8 mm thick) inside a screw-closed case so it cannot be prised out in transit, with a loop for a c…
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AirTag wallet card holder slim credit card sizeA credit-card footprint (85.6 x 54 mm) card that holds an Apple AirTag (31.9 mm diameter, 8 mm thick) in a wallet card slot so the wallet can be found in the…
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Apple Watch Series 11 travel charger caseA two-part clamshell that holds an Apple Watch Series 11 (about 46 mm case) on its magnetic charger plus a 1 m USB-C cable coiled in a 70 mm spiral.
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Apple Watch Ultra charger puck travel case with cable wrapA pocket-size case for the Apple Watch magnetic fast charger used by the Ultra and Series 10, holding the puck (27.9 mm diameter, about 6 mm high) in a 28.4…
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Arduino Uno R4 WiFi case with LED matrix windowA protective box for the Arduino Uno R4 WiFi that keeps the 12 x 8 LED matrix visible.
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Backbone One 2 iPhone travel caseA two-part case that holds a Backbone One 2 with an iPhone 17 still clipped in, 180 × 90 × 25 mm.
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Battery pack case for three AA cells with switchA compact holder for three AA cells side by side, with a slot for a standard 19 x 13 mm slide switch and a wire exit, giving a 4.5 V supply for LED strips, s…
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Bezel case for a 0.96 inch OLED moduleA small front bezel and back cover for the popular 0.96 inch I2C OLED module, turning a bare board into a neat readout you can screw to a panel or stand on a…
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BMW G20 3 Series key fob cover caseA two-part snap shell for the BMW G20, G30 and G05 key fob (2019 onward, the fob with the chrome band), protecting the glossy plastic from keys and coins.
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Bosch Kiox e-bike display holder cover capWhen you take the Bosch Kiox display off a Cube, Riese und Muller or Trek e-bike, the magnetic holder and its charging contacts are left exposed to rain and…
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Case for an LM2596 buck converter moduleA tidy shell for the common 43 x 21 mm LM2596 step-down module, covering the exposed inductor and trimmer while leaving the input and output terminals reacha…
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Enclosure for a relay module with terminal accessA protective housing for a one- or two-channel relay module that hides live terminals while leaving the screw terminals reachable through a slot and the cont…
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ESP32-C3 SuperMini case with BME280 sensor ventsA tiny room sensor enclosure for an ESP32-C3 SuperMini board (22.5 x 18 mm) paired with a BME280 breakout (about 15 x 12 mm).
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Flipper Zero hard shell case with GPIO coverA bumper-style protective shell for the Flipper Zero, whose body is 100 x 40 x 25 mm.
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Garmin Edge 1040 silicone-style bumper caseA flexible bumper printed in TPU that wraps the Garmin Edge 1040 and 1040 Solar (59.3 x 117.6 x 20 mm) to protect the corners in a crash and the screen edge…
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Handheld control box for four push buttonsA palm-sized housing for four 12 mm momentary push buttons, useful as a shortcut pad or a machine pendant.
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Heltec LoRa V3 Meshtastic case with SMA antenna holeA rugged node case for the Heltec WiFi LoRa 32 V3, the board most Meshtastic beginners start with.
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Junction box with gasket groove for outdoor useA small outdoor box for joining low-voltage cables, sensors or LED drivers where rain must stay out.
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Kia EV6 key fob cover with lanyard loopA protective sleeve for the Kia EV6, Niro EV and Hyundai Ioniq 5 smart key, which shares the same 5-button fob body.
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LilyGO T-Display S3 case with screen bezelA desktop shell for the LilyGO T-Display S3, an ESP32-S3 board with a 1.9 inch 170 x 320 pixel display.
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M5Stack Atom Lite housing with Grove port cutoutAn outer housing that lets an M5Stack Atom Lite (24 x 24 x 10 mm) be screwed to a wall or DIN box while its Grove connector stays accessible.
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MeanWell LRS-350 terminal cover with strain reliefA snap-on guard for the exposed screw terminals on a MeanWell LRS-350 series power supply, whose chassis is 215 x 115 x 30 mm with the terminal block at one…
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Project box for an ESP32 dev board with USB openingA compact housing for a 30-pin ESP32 DevKit board that leaves the USB connector exposed for programming and power while covering the pins.
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Project box with sliding lid, 100 x 60 x 30 mmA general purpose electronics box with a lid that slides in along dovetail grooves, avoiding screws and giving quick access to whatever is inside.
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Raspberry Pi 5 case with active cooler cutoutA two-part snap-fit case sized for the Raspberry Pi 5, whose board measures 85 x 56 mm with M2.5 mounting holes on a 58 x 49 mm pattern.
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Raspberry Pi Camera Module 3 case with tripod threadA compact housing for the Raspberry Pi Camera Module 3, which uses a 25 x 24 mm board with 2.2 mm holes on a 21 x 12.5 mm pattern.
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Raspberry Pi Pico W enclosure with header slotsA small box for the Raspberry Pi Pico W, a 51 x 21 mm board with two M2 holes on a 47 x 11.4 mm pattern and a castellated 40-pin edge.
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Raspberry Pi Zero 2 W slim snap-fit caseA minimal shell for the Raspberry Pi Zero 2 W, which measures 65 x 30 mm with four M2.5 holes on a 58 x 23 mm pattern.
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Safety cover for an open-frame 12 V power supplyA vented cover that fits over an open-frame 12 V 5 A switching power supply so the mains terminals are no longer exposed on a bench or inside a project.
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Screw-lid enclosure for an 80 x 50 mm PCBA general purpose electronics box for a custom 80 x 50 mm circuit board, with four corner posts, a screw-down lid and blank walls you can specify openings in…
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Seeed XIAO ESP32C3 tiny keychain caseA pocket-sized shell for the Seeed Studio XIAO ESP32C3, a 21 x 17.8 mm board with a USB-C port and a u.FL antenna connector.
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Shimano STEPS SC-E5000 display protective coverThe Shimano STEPS SC-E5000 display sits proud of the handlebar and is easily scratched when an e-bike is parked in a crowded rack or leaned against a wall.
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Slim case for a Raspberry Pi PicoA low-profile shell for the Raspberry Pi Pico that guards the board and exposes only the micro USB connector and the BOOTSEL button.
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Snap-lid enclosure for an Arduino UnoA protective box for an Arduino Uno with openings for the USB-B port and barrel jack, and a lid that clicks on without screws.
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SONOFF ZBDongle-E protective case with USB extension slotA wraparound sleeve for the SONOFF ZBDongle-E Zigbee coordinator, which measures about 65 x 23 x 12 mm including its USB-A plug and carries an SMA antenna co…
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Storage box for four 18650 cellsA lidded box that carries four 18650 lithium cells with each one in its own bore, so the terminals cannot touch and short in a bag.
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Vented case for a Raspberry Pi 4A two-part shell for the Raspberry Pi 4 that protects the board while keeping it cool, with cut-outs for USB, Ethernet, HDMI, audio, USB-C power and the micr…
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Vented housing for a temperature and humidity sensorA louvred shell for a DHT22, BME280 or similar sensor that shields it from direct light and drips while letting air circulate, so readings reflect the room r…
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Wemos D1 Mini enclosure with DHT22 sensor slotA wall-mountable box for a Wemos D1 Mini (34.2 x 25.6 mm) with a dedicated slot for a DHT22 temperature and humidity sensor.
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Whoop 4.0 battery pack protective travel caseA hard case for the Whoop 4.0 slide-on battery pack, the small rectangular block that is easy to crush in a gym bag, roughly 40 x 27 x 12 mm depending on rev…

More enclosures and cases, built from the prompt (56)

No ready-made model yet: sign in and SpeakCAD builds the part from its example prompt, to your measurements (2 credits per AI request). The live demo is free if you want to try the editor first.
2S BMS and 18650 pack holderA holder for two 18650 cells in series (each 18 × 65 mm) with a 2S BMS board (about 46 × 20 mm) on the side.
4-channel relay module DIN rail caseA DIN rail case for a 4-channel 5 V relay module (about 75 × 55 mm).
Adafruit QT Py caseA snap case for an Adafruit QT Py (about 20.3 × 17.8 mm, RP2040, ESP32-S3 or SAMD21).
Arduino Mega 2560 caseA case for an Arduino Mega 2560 R3 (101.5 × 53.3 mm).
Arduino Nano ESP32 caseA case for an Arduino Nano ESP32 (18 × 45 mm) with headers down.
Arduino Nano Every caseA snap case for an Arduino Nano Every (18 × 45 mm).
BME680 air quality sensor housingA louvred housing for a BME680 breakout (about 25 × 18 mm on Adafruit-style boards) that keeps the gas sensor away from the microcontroller so VOC and temper…
DFPlayer Mini speaker boxA small speaker box for a DFPlayer Mini (20 × 20 mm) with a 40 mm 3 W speaker and a Wemos D1 mini or Nano.
DS3231 RTC module caseA case for the DS3231 real-time clock module (about 38 × 22 mm) with its CR2032 holder on the back.
ESP32-C6-DevKitC-1 caseA snap-lid case for an Espressif ESP32-C6-DevKitC-1 (about 52 × 25.4 mm).
ESP32-CAM case with lens hole and tripod threadA case for an ESP32-CAM (27 × 40.5 mm board, about 12 mm tall with the OV2640 lens).
ESP32-S3-DevKitC-1 caseA case for an ESP32-S3-DevKitC-1 (about 69 × 26 mm, N8R8 and N16R8 clones included).
ESP32-WROOM 38-pin DevKit V1 case with pin accessA case for the 38-pin ESP32-WROOM DevKit V1 (about 55 × 28 mm, 25.4 mm between pin rows).
ESPHome thermostat wall box with OLEDA wall box for a DIY ESPHome thermostat: an ESP32 DevKitC (54.4 × 27.9 mm), a 0.96 inch SSD1306 OLED (27 × 27 mm module) behind a 23 × 12 mm window and two 1…
Flipper Zero Wi-Fi devboard caseA slim case that covers a Flipper Wi-Fi devboard GPIO without blocking the SMA, snap fit, 1.2 mm PETG.
Google Coral USB Accelerator holderA vented holder for a Coral USB Accelerator (65 × 30 × 8 mm) running Frigate object detection, which gets hot under load.
GPS NEO-6M module case with antenna windowA case for the GY-NEO6MV2 GPS module (about 36 × 25 mm) with its 25 × 25 mm ceramic patch antenna.
HC-SR501 PIR sensor dome caseA case for an HC-SR501 PIR module (32 × 24 mm board) that lets its 23 mm Fresnel dome poke through a 23.5 mm front hole.
Heltec Mesh Node T114 caseA pocket case for a Heltec Mesh Node T114 (about 51 × 23 mm) with the optional 1.14 inch TFT and a 40 × 30 × 5 mm LiPo.
ILI9341 2.8 inch SPI TFT caseA case for the red 2.8 inch ILI9341 SPI TFT module (86 × 50 mm, touch or no touch).
INA219 power meter caseA case for an INA219 current sensor module (about 25 × 22 mm), a 0.91 inch OLED and a Nano or ESP32-C3 as an inline power meter.
KY-040 rotary encoder knob boxA small control box for a KY-040 rotary encoder (about 32 × 19 mm board, 6 mm D shaft, M7 bushing).
L298N motor driver caseA vented case for the red L298N dual motor driver (43 × 43 mm, about 27 mm tall with the heatsink).
LD2410C mmWave presence sensor caseA slim case for an HLK-LD2410C radar (22 × 16 mm) paired with an ESP32-C3 SuperMini (22.5 × 18 mm).
LilyGO T-Beam Supreme Meshtastic caseA Meshtastic case for a LilyGO T-Beam Supreme (about 88 × 33 mm board with an 18650 holder underneath).
MAX7219 8×32 LED matrix clock caseA clock case for a 4-in-1 MAX7219 8×32 LED matrix (128 × 32 mm) driven by a Wemos D1 mini or ESP32.
MicroSD card module caseA case for the common SPI microSD card module (about 42 × 24 mm).
Nintendo Switch 2 dock dust coverA cover that sits on a Switch 2 dock (about 170 × 80 × 60 mm) when the console is undocked so dust is not in the USB-C slot.
NodeMCU V3 ESP8266 caseA case for the wide LoLin NodeMCU V3 ESP8266 board (about 58 × 31 mm).
Orange Pi 5 caseA vented case for an Orange Pi 5 (100 × 62 mm).
PCA9685 16-channel servo driver caseA case for the PCA9685 16-channel servo driver (62.5 × 25.4 mm).
PMS5003 particulate sensor case with airflow pathA case for a Plantower PMS5003 (50 × 38 × 21 mm) that keeps its inlet and outlet on the same face apart, so the fan does not re-breathe its own exhaust.
RAK WisBlock 19007 Meshtastic enclosureAn enclosure for a RAK19007 WisBlock base board (60 × 30 mm) with an RAK4631 core, plus a 50 × 34 × 6 mm LiPo.
Raspberry Pi 3.5 inch TFT caseA case for a Raspberry Pi 4 or 3B+ (85 × 56 mm) with a 3.5 inch GPIO TFT on top.
Raspberry Pi 3B+ caseA two-part case for a Raspberry Pi 3 Model B+ (85 × 56 mm).
Raspberry Pi 5 M.2 HAT+ NVMe caseA case for a Raspberry Pi 5 (85 × 56 mm) with the official M.2 HAT+ and a 2230 or 2242 NVMe drive on top.
Raspberry Pi 5 PoE+ HAT caseA case for a Raspberry Pi 5 (85 × 56 mm) powered by a PoE+ HAT on top.
Raspberry Pi CM5 IO Board caseA case for the Raspberry Pi Compute Module 5 IO Board (160 × 90 mm) with a CM5 and cooler fitted.
Raspberry Pi Pico 2 W caseA slim case for a Raspberry Pi Pico 2 W (21 × 51 mm) with or without soldered headers.
SCD41 CO2 sensor case with side ventsA vented case for an SCD40 or SCD41 breakout (the Sensirion module is 10.1 × 10.1 × 6.5 mm, most boards are about 23 × 23 mm) so the photoacoustic cell reads…
Seeed XIAO ESP32S3 Sense camera caseA case for a Seeed XIAO ESP32S3 Sense (21 × 17.8 mm board with the camera expansion board, about 15 mm tall).
Senseair S8 CO2 sensor wall caseA wall case for a Senseair S8 NDIR module (33.5 × 20 × 8.5 mm) with its diffusion membrane facing a 20 × 12 mm grille of 1.5 mm slots.
Sensirion SEN55 air quality sensor caseA case for a Sensirion SEN55 (40.6 × 40.6 × 12.2 mm) that lines up its air inlet and outlet with two separate grilles and keeps the controller behind a wall.
SH1106 1.3 inch OLED caseA front bezel and back shell for a 1.3 inch SH1106 I2C OLED module (about 35.5 × 33.5 mm).
SHT31 and ESP32-C3 wall sensor caseA flat wall case for an SHT31-D breakout (most are under 20 × 15 mm) and an ESP32-C3 SuperMini (22.5 × 18 mm), with the sensor in a vented chimney below the…
Sim racing button box with 12 buttonsA button box enclosure for sim racing with twelve 19 mm momentary push buttons in a 3 × 4 grid, 28 mm apart, on an angled 200 × 110 mm face.
Sim racing button box with toggles and rotary encodersA button box face for sim racing with six 6 mm holes for miniature toggle switches, four 7 mm holes for EC11 rotary encoders, four 19 mm push buttons and a 1…
TP4056 single 18650 power bank caseA power bank case for one 18650 cell (18 × 65 mm) with a USB-C TP4056 charger (about 28 × 17 mm) and a small 5 V boost board.
USB-C PD trigger board caseA sleeve for a small USB-C PD trigger board (about 28 × 11 mm) that asks a charger for 9, 12, 15 or 20 V.
VEML7700 light sensor window caseA window-mounted case for a VEML7700 lux breakout (about 25 × 18 mm) that faces the sensor at the glass through a 6 mm aperture, for daylight automations in…
Waveshare 2.13 inch e-paper frameA small desk frame for the Waveshare 2.13 inch e-Paper HAT (65 × 30.2 mm).
Waveshare 7.5 inch e-paper photo frameA photo frame for the Waveshare 7.5 inch e-Paper panel (170.2 × 111.2 mm, 163.2 × 97.9 mm active area).
Waveshare ESP32-S3-Zero keyring caseA two-piece keyring case for a Waveshare ESP32-S3-Zero (18 × 23.5 mm).
Waveshare RP2040-Zero caseA tiny snap case for a Waveshare RP2040-Zero (18 × 23.5 mm).
Wemos D1 mini and DHT22 wall caseA wall case for a Wemos D1 mini (34.2 × 25.6 mm) with a DHT22 sensor (25 × 15 × 7.7 mm body) mounted outside the main bay in a slotted pocket, away from the…
XL4015 buck converter caseA vented case for the XL4015 5 A buck converter (about 54 × 23 × 18 mm with its heatsink).

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How to design enclosures with SpeakCAD →Try the live demo, no account →G-code for your printer →The whole library →
Organizers & storage 179Brackets & mounts 246Adapters & couplers 92Desk & office 172Kitchen & home 85Tools & jigs 83Replacement parts 158Hobby & gaming 119Garden & outdoor 55Bike, car, pets, bathroom & travel 119

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