# Xem Studio

> Measured 3D geometry of real objects, and an index of where public CAD for them lives and under what license. Dimension sheets are free (CC BY 4.0). Hardware and standard parts are free STEP/STL generated from the standards. Cleaned meshes and STEP solids from Xem Studio's own scans are sold per file, to people through the site and to AI agents via x402 (planned). Mesa, Arizona. Part of Long Earth Society (https://longearthsociety.com/).

Catalog version 2026-10-20. API: GET https://xemstudio.com/api/geometry (list), ?object=<slug> (one object, JSON), ?q=<text> (search), ?kind=, ?category=, ?group=, ?year=. OpenAPI: https://xemstudio.com/api/openapi.json


## Electronics › Consumer devices
- [Amazon Echo Dot (5th gen)](https://xemstudio.com/objects/echo-dot-5/) (2022): What are the exact dimensions of the Echo Dot 5 for a cover or mount? 100 × 100 × 89 mm. Sheet: https://xemstudio.com/objects/echo-dot-5/sheet.txt
- [Apple TV 4K (3rd gen, 2022)](https://xemstudio.com/objects/apple-tv-4k-3/) (2022): What are the Apple TV 4K's corner radii and port positions for an enclosure? 93 × 93 × 31 mm. Sheet: https://xemstudio.com/objects/apple-tv-4k-3/sheet.txt
- [Flipper Zero](https://xemstudio.com/objects/flipper-zero/) (2022): What are the exact dimensions of the Flipper Zero for a case or holster? 100 × 40 × 25 mm. Sheet: https://xemstudio.com/objects/flipper-zero/sheet.txt
- [Ring Video Doorbell (2nd gen, 2020)](https://xemstudio.com/objects/ring-video-doorbell-2/) (2020): What are the mounting dimensions of a Ring doorbell for an angle wedge or trim plate? 126 × 62 × 28 mm. Sheet: https://xemstudio.com/objects/ring-video-doorbell-2/sheet.txt
- [Valve Steam Deck (LCD)](https://xemstudio.com/objects/steam-deck/) (2022): What are the Steam Deck's exterior dimensions, and is there official CAD? 298 × 117 × 49 mm. Sheet: https://xemstudio.com/objects/steam-deck/sheet.txt

## Electronics › Microcontroller boards
- [Adafruit Feather (standard form factor)](https://xemstudio.com/objects/adafruit-feather/) (2016): What is the Adafruit Feather form factor: board size and mounting holes? 50.8 × 22.86 mm. Sheet: https://xemstudio.com/objects/adafruit-feather/sheet.txt
- [Arduino Mega 2560 R3](https://xemstudio.com/objects/arduino-mega-2560/) (2010): What are the Arduino Mega 2560 dimensions and mounting holes? 101.52 × 53.3 mm. Sheet: https://xemstudio.com/objects/arduino-mega-2560/sheet.txt
- [Arduino Nano (classic and Nano Every)](https://xemstudio.com/objects/arduino-nano/) (2008): What are the Arduino Nano board dimensions? 45 × 18 mm. Sheet: https://xemstudio.com/objects/arduino-nano/sheet.txt
- [Arduino Uno R3](https://xemstudio.com/objects/arduino-uno-r3/) (2010): What are the Arduino Uno board dimensions and mounting holes? 68.6 × 53.4 mm. Sheet: https://xemstudio.com/objects/arduino-uno-r3/sheet.txt
- [Espressif ESP32-DevKitC](https://xemstudio.com/objects/esp32-devkitc/) (2016): What are the ESP32-DevKitC board dimensions? 55 × 28 mm. Sheet: https://xemstudio.com/objects/esp32-devkitc/sheet.txt
- [PJRC Teensy 4.0](https://xemstudio.com/objects/teensy-4-0/) (2019): What are the Teensy 4.0 board dimensions? 35.6 × 17.8 mm. Sheet: https://xemstudio.com/objects/teensy-4-0/sheet.txt
- [Raspberry Pi Pico](https://xemstudio.com/objects/raspberry-pi-pico/) (2021): What are the Raspberry Pi Pico board dimensions and hole positions? 51 × 21 × 1 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-pico/sheet.txt
- [Raspberry Pi Pico 2](https://xemstudio.com/objects/raspberry-pi-pico-2/) (2024): Is the Raspberry Pi Pico 2 the same size as the Pico? 51 × 21 × 1 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-pico-2/sheet.txt
- [Seeed Studio XIAO (all variants)](https://xemstudio.com/objects/seeed-xiao/) (2020): What are the Seeed XIAO board dimensions? 21 × 17.5 mm. Sheet: https://xemstudio.com/objects/seeed-xiao/sheet.txt

## Electronics › Modules & cameras
- [Flipper Zero Wi-Fi Developer Board](https://xemstudio.com/objects/flipper-wifi-devboard/) (2022): What are the Flipper Zero Wi-Fi Dev Board dimensions for a cover? not yet published. Sheet: https://xemstudio.com/objects/flipper-wifi-devboard/sheet.txt
- [Framework Expansion Card](https://xemstudio.com/objects/framework-expansion-card/) (2021): What are the Framework Expansion Card dimensions for designing a custom card? 32 × 30 × 6.8 mm. Sheet: https://xemstudio.com/objects/framework-expansion-card/sheet.txt
- [Raspberry Pi Camera Module 3](https://xemstudio.com/objects/raspberry-pi-camera-module-3/) (2023): What are the Raspberry Pi Camera Module 3 board and lens dimensions for a mount? 25 × 24 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-camera-module-3/sheet.txt

## Electronics › Single-board computers
- [NVIDIA Jetson Orin Nano Developer Kit](https://xemstudio.com/objects/jetson-orin-nano-devkit/) (2023): What are the Jetson Orin Nano Developer Kit dimensions, and is there official 3D CAD? 103 × 90.5 × 34.77 mm. Sheet: https://xemstudio.com/objects/jetson-orin-nano-devkit/sheet.txt
- [Raspberry Pi 4 Model B](https://xemstudio.com/objects/raspberry-pi-4-b/) (2019): What are the Raspberry Pi 4 board dimensions and mounting-hole positions? 85 × 56 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-4-b/sheet.txt
- [Raspberry Pi 5](https://xemstudio.com/objects/raspberry-pi-5/) (2023): What are the Raspberry Pi 5 board dimensions and mounting-hole positions? 85 × 56 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-5/sheet.txt
- [Raspberry Pi Compute Module 4](https://xemstudio.com/objects/raspberry-pi-compute-module-4/) (2020): What are the Compute Module 4 dimensions and mounting holes for a carrier board? 55 × 40 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-compute-module-4/sheet.txt
- [Raspberry Pi Zero 2 W](https://xemstudio.com/objects/raspberry-pi-zero-2-w/) (2021): What are the Raspberry Pi Zero 2 W dimensions and hole positions? 65 × 30 mm. Sheet: https://xemstudio.com/objects/raspberry-pi-zero-2-w/sheet.txt

## Electronics › Storage
- [2.5-inch drive (SATA SSD / HDD)](https://xemstudio.com/objects/2-5-inch-drive/): What are the dimensions and screw positions of a 2.5-inch drive? 100 × 69.85 × 9.5 mm. Sheet: https://xemstudio.com/objects/2-5-inch-drive/sheet.txt

## Hardware › Fasteners
- [Dowel pins, 2–6 mm (ISO 2338 / DIN 6325)](https://xemstudio.com/objects/dowel-pins-metric/): What hole size does a 3 mm dowel pin need for a press fit versus a slip fit? 5 sizes, see table. Sheet: https://xemstudio.com/objects/dowel-pins-metric/sheet.txt Free STEP/STL (23 parts): https://xemstudio.com/files/hardware/dowel-pins-metric/index.json
- [Flat washers, M2–M8 (ISO 7089)](https://xemstudio.com/objects/flat-washers-metric/): What are the dimensions of M3, M4 and M5 flat washers? 7 sizes, see table. Sheet: https://xemstudio.com/objects/flat-washers-metric/sheet.txt Free STEP/STL (7 parts): https://xemstudio.com/files/hardware/flat-washers-metric/index.json
- [Heat-set threaded inserts, M2–M6 (for 3D prints)](https://xemstudio.com/objects/heat-set-inserts/): What hole size do M3 heat-set inserts need in a 3D print? 6 sizes, see table. Sheet: https://xemstudio.com/objects/heat-set-inserts/sheet.txt Free STEP/STL (6 parts): https://xemstudio.com/files/hardware/heat-set-inserts/index.json
- [Hex nuts, M2–M8 (ISO 4032)](https://xemstudio.com/objects/hex-nuts-metric/): What size pocket does an M3 nut need in a 3D print? 7 sizes, see table. Sheet: https://xemstudio.com/objects/hex-nuts-metric/sheet.txt Free STEP/STL (7 parts): https://xemstudio.com/files/hardware/hex-nuts-metric/index.json
- [Imperial machine screws: #4-40, #6-32, #8-32, 1/4-20](https://xemstudio.com/objects/imperial-machine-screws/): What are the clearance and tap drill sizes for #4-40, #6-32, #8-32 and 1/4-20? 4 sizes, see table. Sheet: https://xemstudio.com/objects/imperial-machine-screws/sheet.txt Free STEP/STL (18 parts): https://xemstudio.com/files/hardware/imperial-machine-screws/index.json
- [Socket head cap screws, M2–M8 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric/): What are the head dimensions and clearance holes for M3, M4 and M5 socket head cap screws? 7 sizes, see table. Sheet: https://xemstudio.com/objects/socket-head-cap-screws-metric/sheet.txt Free STEP/STL (47 parts): https://xemstudio.com/files/hardware/socket-head-cap-screws-metric/index.json
- [Threaded standoffs, M2.5 and M3 (hex and round)](https://xemstudio.com/objects/threaded-standoffs-metric/): What are the dimensions of M3 and M2.5 hex standoffs for mounting a PCB? 2 sizes, see table. Sheet: https://xemstudio.com/objects/threaded-standoffs-metric/sheet.txt Free STEP/STL (16 parts): https://xemstudio.com/files/hardware/threaded-standoffs-metric/index.json

## Hardware › Framing
- [2020 aluminum extrusion](https://xemstudio.com/objects/2020-extrusion/): What is the 2020 extrusion profile for brackets and T-nuts? 20 × 20 mm. Sheet: https://xemstudio.com/objects/2020-extrusion/sheet.txt

## Hardware › Magnets & seals
- [Neodymium disc magnets, common sizes](https://xemstudio.com/objects/neodymium-disc-magnets/): What pocket size do 6×3 and 10×3 magnets need in a 3D print? 6 sizes, see table. Sheet: https://xemstudio.com/objects/neodymium-disc-magnets/sheet.txt Free STEP/STL (6 parts): https://xemstudio.com/files/hardware/neodymium-disc-magnets/index.json
- [O-rings, common metric sizes (ISO 3601)](https://xemstudio.com/objects/o-rings-metric/): How do I size an O-ring groove for a 3D-printed lid? 7 sizes, see table. Sheet: https://xemstudio.com/objects/o-rings-metric/sheet.txt

## Hardware › Motion
- [608 ball bearing](https://xemstudio.com/objects/608-bearing/): What are the dimensions of a 608 bearing? 7 × 22 × 22 mm. Sheet: https://xemstudio.com/objects/608-bearing/sheet.txt
- [LM8UU linear bearing and 8 mm rod](https://xemstudio.com/objects/lm8uu-linear-bearing/): What are the LM8UU bearing dimensions and the housing bore? 24 × 15 × 15 mm. Sheet: https://xemstudio.com/objects/lm8uu-linear-bearing/sheet.txt Free STEP/STL (2 parts): https://xemstudio.com/files/hardware/lm8uu-linear-bearing/index.json
- [NEMA 17 stepper motor](https://xemstudio.com/objects/nema-17-stepper/): What are the NEMA 17 mounting dimensions? 42.3 × 42.3 mm. Sheet: https://xemstudio.com/objects/nema-17-stepper/sheet.txt

## Hardware › Mounts
- [GoPro-style three-finger mount](https://xemstudio.com/objects/gopro-mount/): What are the dimensions of a GoPro three-finger mount? not yet published. Sheet: https://xemstudio.com/objects/gopro-mount/sheet.txt

## Hardware › Panel & connectors
- [16 mm and 19 mm panel-mount push buttons](https://xemstudio.com/objects/16mm-arcade-button/): What panel hole does a 16 mm or 19 mm push button need? 6 sizes, see table. Sheet: https://xemstudio.com/objects/16mm-arcade-button/sheet.txt
- [USB-C receptacle (16/24-pin, mid-mount)](https://xemstudio.com/objects/usb-c-receptacle/): What size cutout does a USB-C port need in an enclosure? 8.94 × 3.26 mm. Sheet: https://xemstudio.com/objects/usb-c-receptacle/sheet.txt

## Hardware › Pipe & fittings
- [Schedule 40 pipe and PVC fittings, 1/2 to 2 inch](https://xemstudio.com/objects/schedule-40-pipe/): What is the actual outside diameter of 1/2, 3/4 and 1 inch Schedule 40 pipe? 6 sizes, see table. Sheet: https://xemstudio.com/objects/schedule-40-pipe/sheet.txt Free STEP/STL (6 parts): https://xemstudio.com/files/hardware/schedule-40-pipe/index.json

## Hardware › Power tool interfaces
- [Milwaukee M18 battery interface](https://xemstudio.com/objects/milwaukee-m18-battery/): What is the exact rail and terminal geometry of an M18 battery for a holder or adapter? not yet published. Sheet: https://xemstudio.com/objects/milwaukee-m18-battery/sheet.txt

## Hardware › Tri-clamp
- [Tri-clamp (Tri-Clover) sanitary ferrule, 1/2 to 4 inch](https://xemstudio.com/objects/tri-clamp-ferrule/): What are tri-clamp ferrule dimensions: flange OD, tube OD and which sizes share a clamp? 8 sizes, see table. Sheet: https://xemstudio.com/objects/tri-clamp-ferrule/sheet.txt Free STEP/STL (8 parts): https://xemstudio.com/files/hardware/tri-clamp-ferrule/index.json
- [Tri-clamp end cap and gasket, 1.5 and 2 inch](https://xemstudio.com/objects/tri-clamp-end-cap/): What are the dimensions of a 2 inch tri-clamp end cap and gasket? 2 sizes, see table. Sheet: https://xemstudio.com/objects/tri-clamp-end-cap/sheet.txt Free STEP/STL (4 parts): https://xemstudio.com/files/hardware/tri-clamp-end-cap/index.json
- [Tri-clamp spool (two ferrules on a tube), 1.5 and 2 inch](https://xemstudio.com/objects/tri-clamp-spool/): What are the face-to-face lengths and volumes of 1.5 and 2 inch tri-clamp spools? 7 sizes, see table. Sheet: https://xemstudio.com/objects/tri-clamp-spool/sheet.txt Free STEP/STL (7 parts): https://xemstudio.com/files/hardware/tri-clamp-spool/index.json

## Power & cooling › Batteries
- [18650 lithium cell](https://xemstudio.com/objects/18650-cell/): What are the exact dimensions of an 18650 cell for a holder? 65 × 18 × 18 mm. Sheet: https://xemstudio.com/objects/18650-cell/sheet.txt
- [21700 lithium cell](https://xemstudio.com/objects/21700-cell/): What are the dimensions of a 21700 cell? 70 × 21 × 21 mm. Sheet: https://xemstudio.com/objects/21700-cell/sheet.txt
- [AA and AAA cells](https://xemstudio.com/objects/aa-aaa-cells/): What are the dimensions of AA and AAA batteries for a holder? 50.5 × 14.5 × 14.5 mm. Sheet: https://xemstudio.com/objects/aa-aaa-cells/sheet.txt
- [CR2032 coin cell](https://xemstudio.com/objects/cr2032-coin-cell/): What are the dimensions of a CR2032 coin cell? 3.2 × 20 × 20 mm. Sheet: https://xemstudio.com/objects/cr2032-coin-cell/sheet.txt

## Power & cooling › Fans
- [120 mm axial fan](https://xemstudio.com/objects/120mm-fan/): What are the mounting dimensions of a 120 mm fan? 120 × 120 × 25 mm. Sheet: https://xemstudio.com/objects/120mm-fan/sheet.txt
- [40 mm axial fan](https://xemstudio.com/objects/40mm-fan/): What are the mounting dimensions of a 40 mm fan? 40 × 40 × 10 mm. Sheet: https://xemstudio.com/objects/40mm-fan/sheet.txt

## Vintage forms › Radio & hi-fi
- [1950s tabletop tube radio (form library)](https://xemstudio.com/objects/tube-radio-1950s/) (1955): What does a mid-century radio grille and dial look like, as geometry I can reuse? not yet published. Sheet: https://xemstudio.com/objects/tube-radio-1950s/sheet.txt
- [Vintage radio and hi-fi knob set](https://xemstudio.com/objects/vintage-knob-set/) (1960): What are the profiles and shaft fits of classic radio and hi-fi knobs? not yet published. Sheet: https://xemstudio.com/objects/vintage-knob-set/sheet.txt

## Rules
- Sheets are facts written by Xem Studio from cited sources; reuse with attribution.
- Linked files belong to their publishers; licenses as stated; Xem Studio does not host or resell them.
- Xem Studio's own scans state a tolerance measured on a printed test part, not a scanner spec.
- Brand names, logos and badges are never part of the geometry.

## Pages
- https://xemstudio.com/ : library (filter by category, group, era; search)
- https://xemstudio.com/about/ : how it's made, API and MCP for agents, FAQ
- https://xemstudio.com/pricing/ : sheets and hardware free; mesh $4–8, STEP $9–19; x402 for agents
- https://xemstudio.com/stats/ : view counts
- https://discord.gg/ssWbfuQAGH : request a scan