Description
What it's for
A two-piece enclosure for an ESP32-WROOM-32 dev board with a 1.3 inch square OLED display in the lid. Shown exploded with brass heat inserts and M3 screws aligned to the corner holes.
Dimensions
- Board pocket: 52 x 28 mm, 14 mm deep (0.2 mm total clearance added so it actually fits)
- OLED window: 34 x 34 mm
- Outer size: about 56.8 x 40.4 mm, 2.4 mm walls
- Front USB-C slot, 10 x 4 mm
Remix ideas
- Add vent slots for cooling.
- Make the lid thicker to recess the 8 mm display module.
- Add a cable pass-through at the rear.
Print notes
A true zero-clearance fit is impractical on FDM, so a small clearance is included. Dimension lines and the cutting mat from the reference image are not modelled.
Images
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Endgame1
Exploded assembly of a two-piece enclosure for an ESP32-WROOM-32 board (52 x 28 x 14 mm) and a 1.3-inch square OLED module (34 x 34 x 8 mm). The lower chassis has a 52.4 x 28.4 mm pocket, a USB-C cutout on the +X end, and debossed text: "END" on the front wall and "GAME" on the back wall. The lid has a 34.2 mm square window for the OLED. Brass inserts, M3 screws and the OLED module float above the chassis on a flat mat base. Outer size: 64 x 42 mm; chassis height 16 mm, lid thickness 3 mm Board pocket: 52.4 x 28.4 mm, 14 mm deep, 2 mm floor OLED window: 34.2 x 34.2 mm Corner holes: 4 positions at ±29.1 x ±17.9 mm; 4.2 mm for heat-set inserts in the chassis, 3.5 mm clearance in the lid USB-C cutout: 9.2 x 3.4 mm with rounded ends, on the +X end Text: 1 mm deep debossed lettering, 6 mm tall Exploded layout shows inserts, OLED module and M3 screws in assembly order; the mat is a reference surface, not part of the enclosure Material: PETG or clear/natural filament suits the frosted look; print the chassis and lid separately
Endgame
Enclosure for an ESP32 + OLED gaming device that hides every fastener behind the cover, so the front stays clean and the display stays put. The OLED sits in a guided pocket with a separate retaining frame, and the USB-C slot is placed to match the ESP32 board's connector. Key numbers External size: 60 mm wide × 44 mm high × 40 mm deep, including the 2.5 mm rear cover. Display window: 27.5 × 27.5 mm (assumed active area of a 34 × 34 mm OLED PCB). Check this against your module. Internal cavity: 56 × 40 mm, 2 mm walls. USB-C slot: 10.2 × 4.2 mm on the right wall, at 18 mm height. Button hole: 3.4 mm, 36 mm up, with a holder for a 6 mm tact switch. Battery tray: fits a 703048 cell (about 48 × 30 × 7 mm), held by front ledges and side stops. Four M2 screws, 6 mm long, enter from the rear only. The tips stop in the bosses, short of the battery. Print: body front-face down, cover flat, frame flat. No supports are needed apart from the USB slot bridge. 0.2 mm layers, PETG or PLA. Assumptions to verify The ESP32 board is taken as about 51 × 25.5 mm, with its long axis along the width and the USB-C on the right end. Many boards have no mounting holes, so the standoffs are side ribs with small locating pins. Trim or remove the pins if your board has no holes there. The retaining frame is a friction fit in its guides. Add a dab of glue if you want it permanent. Lettering is inlaid in black and runs vertically either side of the screen.
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