Linear Pattern
Linear Pattern creates multiple instances of solid bodies arranged along a straight axis. Use Linear Pattern for rib arrays, slot series, fastener rows, and evenly-spaced repetitive features.
Options
Solids
Select what you want to copy in a line. All selected bodies stay together as a group in each copy.
Instances
How many copies to create (including the original if you keep it). For example, 5 creates 5 copies in a row.
Distance
The spacing between each copy, center-to-center. Your current units apply (mm, inches, etc.).
The total pattern length = (instances - 1) × distance
Examples:
- distance = 10 with instances = 5 spans 40mm total
- distance = 0.5 with instances = 8 spans 3.5 inches total
Positive values go in the positive axis direction; negative values reverse direction.
Axis
Which direction to create the pattern:
- X - Along the X-axis
- Y - Along the Y-axis
- Z - Along the Z-axis (typically vertical)
Use Original
Whether to keep the original:
- Enable (default) - Keep original at start, total count = instances
- Disable - Hide original, pattern starts one distance away
Design Applications
Structural Arrays
Create repetitive structural elements:
- Ribs in molded housings: instances=8, distance=15mm, axis=X
- Fins on heat sinks: instances=20, distance=2mm, axis=Y
- Floor joists: instances=16, distance=16in, axis=X
Fastener Patterns
Distribute mounting holes or bosses:
- Bolt holes along edge: instances=6, distance=25mm
- Threaded inserts in linear array: instances=4, distance=50mm
- Cable tie mounting points: instances=10, distance=100mm
Feature Replication
Repeat complex features:
- Vent slots in repeated spacing
- Access ports at regular intervals
- Connector positions along edge
Pattern Calculations
Total Span
Pattern length = (instances - 1) × distance
Spacing from End Distance
If you know the total length L and number of instances N:
distance = L / (N - 1)
Example: 5 holes across 100mm span:
distance = 100 / (5-1) = 25mm