3D preview of 510 Controller Enclosure (3x 18650, vertical PCB)
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Interactive 3D model of 510 Controller Enclosure (3x 18650, vertical PCB)

Brackets and mounts

510 Controller Enclosure (3x 18650, vertical PCB)

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Bounding box
41.4 × 52.9 × 84.4 mm
Engine
Precision B-rep
Parameters
33
Published
October 30, 2026

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The prompt

Design a premium ergonomic enclosure for a 510 soldering iron controller, using my uploaded PCB photos as references. PCB dimensions: 35 × 74 × 9 mm. The PCB stands vertically, with its front facing the flat front panel. Preserve its original layout: one black upper button, two white buttons horizontally aligned below the display, and a Micro-USB port mounted vertically on the PCB rear, facing the LEFT side when viewed from the front. Leave clearance for all rear components. Fit three standard 18650 batteries (18 × 65 mm nominal) vertically inside. All battery axes must be parallel to the PCB's 74 mm long axis. Arrange them in a triangular configuration: two batteries on the PCB side, the third on the opposite side. Create a smooth rounded ergonomic grip around the single-battery side. Include a top-center 510 connector mounting area. Keep the display face completely flat. Provide three independent external button-cap positions aligned with the original PCB switches. Create one editable parametric main enclosure body with internal PCB and battery clearance. Use 2–2.5 mm walls, rounded edges and approximately 0.3–0.5 mm general fit clearance. Calculate the external dimensions from the internal layout; do not guess them. Prioritize correct proportions, component clearance and industrial design. Export editable CAD and STEP/STL. This is a non-functional fit-check enclosure; do not design electrical or heating connections.

Parameters

NameValueRange
Wall Thickness2.4 mm1.5 – 4
General Fit Clearance0.4 mm0.1 – 1
Display-to-Wall Gap0.4 mm0.1 – 2
Rear Component Clearance3 mm0.5 – 10
PCB End Clearance4 mm0.5 – 15
Back Grip Corner Radius16 mm2 – 20
Front Corner Radius3 mm0 – 10
Top Rim Fillet1.4 mm0.2 – 3
Bottom Rim Fillet1 mm0.2 – 2
PCB Width35 mm10 – 80
PCB Height (74 mm axis)74 mm20 – 150
PCB Thickness9 mm2 – 30
Battery Diameter18 mm10 – 26
Battery Length65 mm30 – 90
Battery-to-Battery Gap0.6 mm0 – 5
Display Window Width24 mm5 – 40
Display Window Height13 mm3 – 30
Display Height Above PCB Bottom44 mm5 – 74
Black Button Height Above PCB Bottom64 mm5 – 74
White Buttons Height Above PCB Bottom22 mm2 – 74
White Button Spacing14 mm4 – 30
Button Hole Diameter6.2 mm2 – 15
Button Cap Diameter5.8 mm2 – 15
Button Cap Length3 mm1.5 – 6
Button Cap Protrusion1.2 mm0 – 3
510 Recess Diameter22 mm8 – 34
510 Recess Depth1.5 mm0.3 – 3
510 Body Hole Diameter9.2 mm3 – 20
510 Centre From Front Face14 mm5 – 40
Micro-USB Cutout Width9 mm4 – 16
Micro-USB Cutout Height3.6 mm1.5 – 10
Micro-USB Centre From Front Face13 mm5 – 40
Micro-USB Height34 mm5 – 78

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.

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510 Controller Enclosure (3x 18650, vertical PCB) - Free CAD Model (STEP, STL) | TextoCAD