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Castello boxwood sheet with Hobbymill label
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Castello Boxwood Sheets

5.04 reviews
Calycophyllum multiflorum · South American boxwood

The classic model-making boxwood lumber. Pale creamy-yellow with a glass-smooth surface and exceptionally fine, even grain. Takes the finest detail of any modelling wood we stock.

Width50 or 100 mmavailable · ~2" or ~4"tolerance -5/+20 mm
Length500 mmfixed · ~~19.69"tolerance ±20 mm
Thickness tolerance±0.10 mmSanded 120 grit
ThicknessSelect one

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WidthSelect one
QuantityNumber of pieces

Precision custom milling available

We mill this species to your exact thickness and width, held to ±0.10 mm.

Calculate an instant price for custom Castello Boxwood Sheets →
Milled in Rapla, Estonia
Worldwide shipping · tracked

Typical uses

Carving & turning
Castello Boxwood is one of the finest carving woods available. Its exceptionally dense, even grain holds knife-edge detail without chipping or splitting — ideal for figureheads, decorative ornaments, chess pieces, and fine turned components.
Museum-quality models
The go-to wood for visible deck planking, gratings, head rails and any part where fine detail must read clearly.
Fine detail work
Thin sheets are perfect for cabin doors, window framing and any visible interior part.
Marquetry & inlay
Its pale tone provides bright contrast against darker woods like walnut, pear or hornbeam.

About Castello Boxwood

Castello Boxwood (Calycophyllum multiflorum) is the modern standard for boxwood lumber in high-end model ship planking, replacing the now-scarce European boxwood. Its pale cream colour and near-invisible grain give a smooth, uniform run where no single piece stands out from the next.

Boxwood is exceptionally dense and stable, so pieces hold their dimensions precisely and bend cleanly around the hull without crushing or splitting at tight curves. The fine grain means edges stay sharp and glue joints sit tight.

Wood Properties

SpeciesCalycophyllum multiflorum
OriginSouth America (Argentina / Paraguay)
Janka Hardness~2,100 N (hard)
Density~830 kg/m³ (air dried)
GrainExtremely fine, straight, often invisible
ColourPale creamy-yellow, very uniform
TextureGlass-smooth — best finish of all our species
WorkabilityExcellent — bends and glues cleanly
Moisture content8–12%
ToleranceThickness ±0.10 mm · Width −5 / +20 mm · Length ±20 mm

Customer reviews

5.0· 4 reviews

Write a review
  • Aug 2026

    Precise cuts, quality color matched wood

    I’m very impressed with both the clean measured cuts and the color matching quality of the wood. Not to mention how well packaged it was to safely make its journey across the ocean. Looking forward to using the boxwood for planking and trying out the black hornbeam for some specialized work.

    Glenn Barlow· United States Verified purchase

  • Aug 2026

    Perfectly milled wood sheets

    I ordered different time by Hobbymill. The wood sheets were always perfectly milled to my needs. I am really happy with sheets and will place furthers orders by Vahur

    Customer photo for Castello Boxwood Lumber

    Christian

  • Aug 2026

    Petar Ivanov Verified purchase

  • Aug 2026

    Ordered both sheet and milled plank stock

    All products are excellent.

    Customer photo for Alaskan Yellow Cedar Lumber

    Bob Ellis· United Kingdom