Arch
An arch machines a face into a true circular arc over part of the length.
Camber 20 mm
Camber 55 mm
Camber 90 mm
When to use it
Section titled “When to use it”Use an arch for curved lintels, braces and purlins. Concave takes timber out of the middle; convex takes it off the ends, so the middle stays at full size.
Fields
Section titled “Fields”| Field | Unit | Range or options | Default | What it changes |
|---|---|---|---|---|
| Centre (x) | mm | from 0 | 1500 | The centre of the arc. The arc runs from x − length/2 to x + length/2. |
| Length | mm | from 1 | 1000 | The chord: the full length the arc spans. |
| Camber | mm | from 1 | 30 | The camber: how deep the arc dips relative to the chord. |
| Shape | Concave, Convex | Concave | Concave takes timber out of the middle, convex off the ends. | |
| Face | Top, Bottom, Front, Back | Top | The side of the part the processing is on. |
Default: what Add fills in on a 3000 mm part of 120 x 120 mm.
Add a arch
Section titled “Add a arch”- Select the part in the Parts list.
- Under Extra processings, click Add.
- Type
archin the search field and pick Arch. - Set Face and Centre (x), the middle of the arc.
- Set Length (the chord), Camber and Shape.
- Check that the part shows a green check. If not, open the Issues tab.
Machine export
Section titled “Machine export”| Format | Status | Details |
|---|---|---|
| BTLx | Supported | RoundArch. |
| BVN (Hundegger) | Partly supported | Operation 0903, concave only, with chord limits. |
| BVX2 (Hundegger) | Not written | Not written. |
A file that the app writes is not a check by your machine. See Export for what each format is for.