ParaShape

External Venetian Blind

A facade sun-shading blind of curved aluminium slats under a steel head rail, held by side cables or running in guide channels. Slat type, Cable guide or guide channels, Slat colour, Slat tilt, Masking cover

Details

Category: Window Coverings › Venetian And Vertical Blinds › Slat And Louvre Blinds

By Huu Khanh Nguyen · Updated November 5, 2026 · external-blind, venetian-blind, facade, sun-shading, aluminium-slat, guide-channel, cable-guide

Parameters

Name	Default	Unit
Width	1500	mm
Height	1800	mm
Slat Type	C-65
Side Guide	channel
Slat Colour	slatWhite
Masking Cover	frontPlate
Slat Tilt	20
Drop Fraction	1
Slat Pitch	slatType == 'C-65' ? 54 : 72	mm
Slat Length	guide == 'cable' ? sizeX : sizeX - 50	mm
Rail Start	(sizeX - slatLength) / 2	mm
Bearings	[[2,2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,6],[2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,6,6,6,6,6],[2,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6],[2,2,2,2,3,3,3,3,3,3,3,4,4,4,4,4,4,4,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,6,6,6]][sizeZ <= 2500 ? 0 : sizeZ <= 3000 ? 1 : sizeZ <= 4000 ? 2 : 3][Math.min(37, Math.max(0, Math.floor((sizeX - 800) / 100)))]
Masking Cover Height	120	mm
Rail Bottom	(1 - dropFraction) * (sizeZ - (slatType == 'C-65' ? ((p, k) => p[k] + (p[Math.min(k + 1, p.length - 1)] - p[k]) * ((sizeZ - 800) / 100 - k))([170,170,170,170,180,180,190,190,200,210,210,220,220,230,230,230,240,250,250,260,270,270,280,290,290,300,310,310,310,320,320,330,340,350,350,360,370,370,380,390,390,400,420], Math.min(41, Math.floor((sizeZ - 800) / 100))) : ((p, k) => p[k] + (p[Math.min(k + 1, p.length - 1)] - p[k]) * ((sizeZ - 800) / 100 - k))([160,160,160,170,170,180,180,190,190,200,200,200,200,210,210,220,220,220,230,230,230,240,240,250,250,260,260,270,270,270,280,280,280,290,300,300,310,310,320,320,330,350,350], Math.min(41, Math.floor((sizeZ - 800) / 100)))))	mm