Espressif ESP32-S3-DevKitC-1 v1.1 — board outline, module overhang, dual USB-C and header rows — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/esp32-s3-devkitc-1/  (sheet CC BY 4.0)
Basis: Espressif's ESP32-S3-DevKitC-1 v1.1 DXF and PCB layout PDF (2022-04-29), with module size from the ESP32-S3-WROOM-1 datasheet.
Catalog version: 2026-10-20

Overall (mm): length 69.14, width 25.4, height 4.8
- Exact nominal dimensions. PCB 25.40 × 62.87 × 1.60 mm, square corners; datum is the lower-left PCB corner at (0, 0), bottom on z=0, USB-C end at y=0.
- No mounting holes: the board is held by its two 2 × 22 header rows (2.54 mm pitch) or in a breadboard.
- ESP32-S3-WROOM-1 module 18.00 × 25.50 × 3.10 mm at x 3.75–21.75, y 43.64–69.14: the antenna end overhangs the board edge by 6.27 mm (overall length 69.14).
- Two USB-C receptacles 8.20 mm wide, 3.20 mm tall, at x 1.90–10.10 and 15.30–23.50, y 1.03–6.30.
- Header pins project about 6 mm below the board: leave that clearance underneath. Not modelled: pins, buttons, LED and small parts.

feature  x mm  y mm  top z mm
USB-C (left)  1.90–10.10  1.03–6.30  4.8
USB-C (right)  15.30–23.50  1.03–6.30  4.8
WROOM-1 module  3.75–21.75  43.64–69.14  4.7
header rows  1.27 and 24.13  4.57–60.45  4.14

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Espressif: ESP32-S3-DevKitC-1 v1.1 board outline (DXF) — web — Publisher's page; dimensions are facts — https://dl.espressif.com/dl/schematics/esp_idf/DXF_ESP32-S3-DevKitC-1_V1.1_20220429.dxf
- Espressif: ESP32-S3-DevKitC-1 v1.1 PCB layout (PDF) — web — Publisher's page; dimensions are facts — https://dl.espressif.com/dl/schematics/PCB_ESP32-S3-DevKitC-1_V1.1_20220429.pdf

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/esp32-s3-devkitc-1/index.json
API: https://xemstudio.com/api/geometry?object=esp32-s3-devkitc-1