Balsa
Overview
Extremely low-density wood. Cuts at much lower power than any other wood. Ideal for model aircraft, lightweight structures, and RC builds. Fire risk at high power - start low.
Properties
Difficulty
beginner
Flexibility
rigid
Enclosure
no
Dry Storage
no
Pros
- Extremely lightweight
- Very easy to cut — low power needed
- Inexpensive
- Ideal for model making
- Clean cuts with minimal charring
- Easy to sand and shape
Cons
- Very soft and fragile
- Not durable
- Can warp easily
- Limited structural strength
- Fibrous edges on cuts
- Not suitable for detailed engraving
Best For
- RC model aircraft frames
- architectural models
- lightweight structural lattices
- model building
Avoid For
- High detail engraving (too soft)
- structural use
- anything needing durability
Storage
Store flat and dry. Very thin sheets can warp easily — store supported.
Laser Compatibility
Ultra-soft — cuts with very low power. CO2: cut 3mm at 400mm/s 20-30W. Engrave 600mm/s 15%. Diode: cut 3mm 1 pass at 500mm/s 50-60%. Risk of fire with too much power — watch closely.
Brands
Midwest ProductsSIG MfgAmazon craft balsa