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Stair Baluster

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Size at its defaults: 7.9 × 3.5 × 38.0 in (200 × 90 × 964 mm)

Sliders

Envelope

ParameterNameRangeDefault
Total Heighttotal_height27.6–37.4 in (700–950 mm)35.4 in (900 mm)
Collar Diametercollar_diameter1.0–1.5 in (26–38 mm)1.3 in (32 mm)
Bead Diameterbead_diameter1.2–1.6 in (30–40 mm)1.3 in (34 mm)
Neck (Cove) Diameterneck_diameter0.6–1.0 in (16–26 mm)0.8 in (20 mm)
Vase (Belly) Diametervase_diameter1.3–1.8 in (34–46 mm)1.6 in (40 mm)
Shaft Diametershaft_diameter0.7–1.1 in (18–28 mm)0.9 in (22 mm)

Fit

ParameterNameRangeDefault
Glue Reliefglue_clearance0.0–0.0 in (0–0 mm)0.0 in (0 mm)

Joinery

ParameterNameRangeDefault
Pin (Tenon) Diameterpin_diameter0.6–0.9 in (14–24 mm)0.7 in (19 mm)
Pin (Tenon) Lengthpin_length0.6–1.2 in (16–30 mm)0.9 in (22 mm)

Rails

ParameterNameRangeDefault
Rail Lengthrail_length5.9–11.8 in (150–300 mm)7.9 in (200 mm)
Rail Widthrail_width2.8–4.3 in (70–110 mm)3.5 in (90 mm)
Rail Thicknessrail_thickness1.0–1.6 in (25–40 mm)1.3 in (32 mm)

Stock

ParameterNameRangeDefault
Collar Height (each end)collar_height0.4–1.0 in (10–25 mm)0.6 in (15 mm)
Ornamental Zone Heightornament_zone3.5–6.3 in (90–160 mm)4.7 in (120 mm)
Stock Blankstock_size1.7–2.0 in (44–52 mm)1.9 in (48 mm)

Techniques used

Licence: CC BY 4.0 (pending counsel review).

Settings

Region

A region picks sensible defaults; change any of these separately.

Units

In inches, type lengths the way you say them: 34 1/2, 3/4", 1'-2" or 12.7mm. A length that can't be read is flagged, never rounded to something else.

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