Parametric HVAC Mounting Bracket
Archive date pending confirmation. This public example was created for the portfolio in 2026.
Project Overview
Objective
Expose the dimensions of an HVAC support bracket as explicit variables, so geometry can be reproduced, inspected, and varied without manual remodelling.
Role & Responsibilities
Independent portfolio study focused on geometry, documented inputs, and engineering review.
- Define base length, width, thickness, flange height, and mounting-hole radius.
- Generate the bracket using a constructive solid geometry module in OpenSCAD.
- Preview and inspect the geometry; adjust the supported dimensional parameters.
Engineering Features
- Bracket length
- 60 mm
- Bracket width
- 40 mm
- Plate thickness
- 6 mm
- Flange height
- 50 mm
- Mounting-hole radius
- 4 mm
Tools & Software
Outcome
Documented geometry, inputs, and technical workflow.
A documented portfolio demonstration. Manufactured or externally validated performance is not claimed.
3D Model
Drag to rotate. Use the viewer controls to inspect the assembly from another angle.
Drawings
Front, side, top, and isometric views of the portfolio geometry. Select the sheet to view it in detail.
| Parameter | Nominal study input |
|---|---|
| Bracket length | 60 mm |
| Bracket width | 40 mm |
| Plate thickness | 6 mm |
| Flange height | 50 mm |
| Mounting-hole radius | 4 mm |
Project Gallery
Rendered views of the CAD demonstration. These images show model geometry, rather than photographs of fabricated components.
Source & Engineering Notes
Model Assumptions
An idealized right-angle bracket with four mounting holes. Dimensions are in millimetres. Manufacturing tolerances, bend radii, fasteners, and installed load paths are outside this geometry study.
Design Workflow
- Define base length, width, thickness, flange height, and mounting-hole radius.
- Generate the bracket using a constructive solid geometry module in OpenSCAD.
- Preview and inspect the geometry; adjust the supported dimensional parameters.
- Export a triangulated STL with OpenSCAD for downstream use.
- Record parameter values and version the source alongside documentation.
Engineering Checks
Inspect dimensions, hole positions, and interference. Check the exported mesh for watertightness before manufacturing or simulation. The browser shows two intersecting solids; the OpenSCAD source performs the boolean union.
Study Limitations
This is a geometry demonstration, not an approved support design. The browser does not run OpenSCAD or calculate structural capacity.
Parametric OpenSCAD Example
// Parametric geometry study; dimensions in mm.
base_length = 60;
base_width = 40;
thickness = 6;
flange_height = 50;
hole_radius = 4;
$fn = 64;
module mounting_bracket() {
difference() {
union() {
cube([base_length, base_width, thickness]);
cube([base_length, thickness, flange_height]);
}
for (x = [base_length * 0.22, base_length * 0.78]) {
translate([x, base_width * 0.65, -1])
cylinder(h = thickness + 2, r = hole_radius);
translate([x, thickness + 1, flange_height * 0.65])
rotate([90, 0, 0])
cylinder(h = thickness + 2, r = hole_radius);
}
}
}
mounting_bracket();