Scarf-joined purlin and wall plate

Two beams lengthened into an 8.8 m purlin with a keyed scarf joint, a wall plate joined with a simple scarf, and a cross tie with a dovetail end.
Opens as a new project on this device. Open it again and you get a second copy; your first one is never overwritten.
What you learn
- Lengthen a beam with a keyed scarf joint on two parts
- Give both mating ends the same values on opposite faces
- Join a wall plate with a simple scarf and two dowels
- Cut a dovetail on the end of a cross tie
Parts
| No. | Name | Profile (mm) | Length (mm) | Qty | Processings |
|---|---|---|---|---|---|
| 01 | Purlin part 1 | 120 x 240 | 5000 | 1 | 1 |
| 02 | Purlin part 2 | 120 x 240 | 4500 | 1 | 1 |
| 03 | Wall plate part 1 | 140 x 200 | 4000 | 1 | 1 |
| 04 | Wall plate part 2 | 140 x 200 | 3800 | 1 | 1 |
| 05 | Cross tie | 120 x 120 | 2400 | 1 | 1 |