End-grain contour
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An end-grain contour is a free shape milled straight into one of the two ends of a part, to a depth along the grain.
When to use it
Section titled “When to use it”Use it for a seat no rectangle makes: a shaped base plate, an L-shaped connector, a slot with round ends. For a rectangular plate seat the End-grain recess is simpler, and a round hole is an End-grain bore.
The shape
Section titled “The shape”The outline is drawn as you see the end from outside, with the top up, so a shape means the same at both ends. Its corners and the rise of each side are edited under the fields, as for a Free contour, and Height (from the bottom) and Width (from the back) place the point the outline is drawn about; Centre in the section puts the whole shape in the middle. A corner that points out of the shape keeps the radius of the mill; the card offers to round it or to give it a dog bone. See End faces.
Only a square end with no joint running out of it takes work; an end that does not is greyed out in the Face list, with the reason.
Fields
Section titled “Fields”| Veld | Eenheid | Bereik of opties | Standaard | Wat het verandert |
|---|---|---|---|---|
| Face | Face at start, Face at end | Face at start | The end the contour goes into. | |
| Height (from the bottom) | mm | from 0 | 60 | The point the outline is drawn about, up from the bottom of the part. |
| Width (from the back) | mm | from 0 | 60 | The point the outline is drawn about, in from the back of the part. |
| Rotation | ° | -180 to 180 | 0 | Turns the whole outline about that point, counter-clockwise as seen from outside. |
| Depth (along the grain) | mm | from 1 | 40 | How deep the contour goes, measured from the end of the part. |
Default: what Add fills in on a 3000 mm part of 120 x 120 mm.
Add one
Section titled “Add one”- Select the part in the Parts list.
- In the drawing, pick Face at start or Face at end under Side.
- Under Extra processings, click Add and pick End-grain contour. A slot with round ends goes into the middle of that end.
- Edit its corners, or pick a starting shape.
- Set Depth (along the grain).
- Check that the part shows a green check. If not, open the Issues tab.
A free contour on a long face moves into an end when you pick an end in its Face list, and back: it keeps its shape as seen from outside.
Machine export
Section titled “Machine export”| Format | Status | Details |
|---|---|---|
| BTLx | Partly supported | FreeContour on reference side 5 or 6. No BTLx file shows one in an end yet, so it is placed as on a long face, and the export notes this without blocking. |
| BVN (Hundegger) | Not written | BVN has no general contour in an end. Experimental, included with a warning unless you leave them out: a contour that is exactly one round hole, as that hole (operation 0401). |
| BVX2 (Hundegger) | Partly supported | As the end work it is made of: a round contour in the middle of the start face goes out as the start hole, not yet confirmed; the export notes this without blocking. A contour made of other end-grain bores and recesses is experimental and included with a warning only, and any other is listed as a machining loss. |
| BTL 10.6 | Supported | 250 end contour in a rigid reference plane, preserving arcs. |
BTL status describes what the specification can represent. CAMBIUM imported our earlier BTL test files; confirmation applies to the tested forms and build. See BTL coverage for representation and receiver caveats.