Free Online Tools
Start your perforated panel journey here
A collection of small tools for perforated panel designers—no installation, open and use, updated regularly.
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HoleSnap Parametric Perforation Design
Cooling panels, decorative screens, laser‑cutting prototypes—choose layout modes, adjust hole size and spacing, check open area and bridge width, export SVG / DXF / STP with one click.
- 10+ layout / gradient modes
- SVG / DXF / STP export
- Open area & bridge width auto‑calculation
- Live preview
Image to Perforated Panel
Upload any image, generate perforation patterns based on brightness, export PNG / SVG files ready for laser cutting or CNC punching.
- 4 layout modes
- 4 hole shapes
- Smart pitch recommendation
- SVG export
SVG to DXF Workbench
Upload an SVG, adjust size, position, and rotation in millimeters, then export a DXF for CAD, laser cutting, and CNC workflows.
- SVG upload / drop
- mm sizing
- Angle control
- DXF export
Open Area Calculator
Quickly calculate open area percentage, hole count, and bridge width for perforated panels. Supports square grid and honeycomb layouts.
- Square grid / Honeycomb
- Open area / Hole count / Bridge
- Structural strength check
- Real-time visualization
Perforation Design Cheat Sheet
60 verified perforation design parameters sorted by ventilation, 3D printing, laser cutting, and decorative categories. Filter by material, search, and sort to find the right specs quickly.
- 60 verified design parameters
- 4 application categories
- Filter by material / open area
- Strength ratings included
Multi-Pattern Open Area Calculator
Compare open area ratios for round, square, hexagon, and slot holes across different layouts. Supports square grid, staggered 60°/45°, and honeycomb arrangements.
- 4 hole shape comparison
- 4 layout modes
- Open area / Bridge / Density
- Real-time calculation
Open Area Formula Guide
Learn how to calculate open area for perforated panels with clear formulas, worked examples, and practical guidelines. Square grid and honeycomb layouts covered.
- Core formula derivation
- Square grid / Honeycomb
- Worked example
- Design guidelines
Bridge Width Checker
Quickly check bridge width for perforated panels and evaluate structural safety for laser cutting or 3D printing. Real-time feedback with clear safety levels.
- Real-time calculation
- Safety level assessment
- Visual diagram
- Laser cut / 3D print tips
Hole Spacing Calculator
Calculate the optimal hole pitch based on target open area, hole diameter, and layout. Ideal for laser cutting, 3D printing, and ventilation panel design.
- Square grid / Honeycomb
- Target open area
- Bridge safety check
- One-click to editor
Fan Grill Finder
Find the best perforation parameters for fan ventilation panels. Perfect for PC case vents, fan grills, and cooling panels.
- 6 fan sizes
- 3 airflow levels
- Auto parameter calculation
- One-click to editor
Have an idea? Tell us
If you encounter a repetitive task in your work—no matter how small—let us know. We'll seriously consider whether we can turn it into a tool.