SHEET METAL TOOL · PERFORATED PATTERNS

Perforated metal generator

Choose a hole shape and arrangement, then generate a dimensioned line drawing.

All dimensions in millimeters

Parameters

Sheet dimensions

Length L

Width W

Thickness T

Hole layout

Hole shape

Hole diameter D

Target pitch P

Round holes use 90° straight rows or 60° staggered centers.

Edge margins are automatic: 1.5× column pitch, adjusted to center complete holes. Actual clearances are shown in the results.

Hole arrangement

Straight / InlineEqual pitch in both directions60° StaggeredAlternate rows offset by half a pitch

Material

Based on complete holes inside the sheet boundary.

Actual open area—Finite sheet · based on actual hole count

Total holes—Complete holes only

Theoretical net weight—Estimate after subtracting hole volume

Hole shape / arrangement—

Hole dimensions—

Column pitch Px · along L—

Row pitch Py · along W—

Sheet dimensions—

Sheet thickness—

Actual edge clearance—

Infinite pattern reference open area—

Theoretical net weight excludes production tolerances, coatings, burrs, and material-specific variation. Actual production weight may differ.