Damascus-laagcalculator

Bereken Damascus laag met deze gratis online hulpmiddel

Damascus Layer Calculator

Calculate the resulting layer count in Damascus / pattern-welded steel based on your initial billet layers and number of folds.

Initial Billet Layers

Number of Folds

Results

Initial Layers

Number of Folds

Total Layers

Formula

2 × 2⁵ = 2 × 32 = 64 layers

Progressive Layer Count

Fold 0: 2

Fold 1: 4

Fold 2: 8

Fold 3: 16

Fold 4: 32

Fold 5: 64

Recommended Patterns for 64 Layers

Twist Pattern

Helical twist creates a rope-like appearance when cut and flattened.

Technique

Twist the billet 360° along its length, then forge flat.

Ladder Pattern

Horizontal rungs across a vertical grain — resembles a ladder.

Technique

Press grooves into billet, then forge flat to spread grooves into ladder rungs.

Raindrop Pattern

Circular "raindrop" impressions reveal concentric ring patterns.

Technique

Press dimples (ball peen or press die) into surface, then forge flat.

Star / Persian

Star or flower-like radial patterns visible on the cross-section.

Technique

Billet is forged into a square, then twisted and forged into round bar.

Layer Count Reference Table

Resulting layers based on initial billet count and number of folds.

Folds	2 Initial	3 Initial	4 Initial	5 Initial
0	2	3	4	5
1	4	6	8	10
2	8	12	16	20
3	16	24	32	40
4	32	48	64	80
5	64	96	128	160
6	128	192	256	320
7	256	384	512	640
8	512	768	1,024	1,280
9	1,024	1,536	2,048	2,560
10	2,048	3,072	4,096	5,120

How to Use This Calculator

Select the number of initial layers in your billet (typically 2 alternating steels).
Choose how many times you plan to fold and weld the billet.
The calculator shows the total resulting layer count and progressive growth per fold.
Review the recommended patterns that work best with your resulting layer count.
More layers produce finer patterns but require more welding passes — balance quality with practical limits.

Tip: Most bladesmiths use 4–8 folds (16–512 layers from a 2-layer billet). Beyond 10 folds, individual layers become extremely thin and may homogenize during welding.

All calculations are performed locally in your browser. No data is sent to any server. Results are for reference only — actual Damascus patterns depend on forge technique, steel choice, and etching conditions.

Gratis damascuslagencalculator met direct resultaat. Geen account nodig, werkt op elk apparaat, volledig privé.