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085811 · CAD Drawing · Rev A · English · PDF, DWG, DXF

Lutron Sivoia QS Drapery CAD Drawing: Curved, Standard 90 Degree, Plan View (085811)

Lutron's one-sheet plan view of a drapery track bent through a standard 90 degree curve on a 20 in (508 mm) radius.

About document 085811

Lutron drawing 085811, revision A at scale 1/8, is the curved track plan CAD drawing: minimum bend radius, track width, idler width and length, EDU railbox length, and the installer clearance note.

What drawing 085811 covers

Lutron document 085811 has these seven sections, all on its one page.

  1. Sheet header with the curve radius
  2. Plan view of the curved track
  3. Idler leg width, idler width and idler length
  4. Minimum bend radius and track width
  5. Drive leg width and EDU railbox length
  6. Installer note on fabric panel clearances
  7. Title block with scale and revision

Specifications in 085811

Lutron document 085811 prints 14 values in the groups the document uses, each with the document's unit. The page link beside each group opens the PDF where the group starts.

Minimum bend radius
R20.00 in (508 mm)
Track width
1.25 in (32 mm)
Idler width
1.64 in (42 mm)
Idler length
3.20 in (81 mm)
EDU railbox length
3.65 in (93 mm)
Dimension with no label on the sheet
3.73 in (95 mm)
Idler leg width
Labeled, no value printed
Drive leg width
Labeled, no value printed
Curve named in the sheet header
Standard 90 degree, 20 in (508 mm) radius
Drawing number
085811
Sheet
1 of 1
Scale
1/8
View
Plan
Revision
A

Facts Lutron states in 085811

The values Lutron document 085811 states, as published:

Drawing number and revision
085811, revision A in the title block, no issue date on the sheet
View and scale
Plan view, scale 1/8, sheet 1 of 1
Curve
Standard 90 degree curved drapery track, 20 in (508 mm) radius, as the sheet header reads
Minimum bend radius
R20.00 in (508 mm)
Track width
1.25 in (32 mm)
Idler width and idler length
1.64 in (42 mm) wide and 3.20 in (81 mm) long
EDU railbox length
3.65 in (93 mm)
Dimension without a label
3.73 in (95 mm), printed in the plan view with no label beside it
Leg widths
Idler leg width and drive leg width labeled on the plan, with no value printed for either
Factory-supplied track
Installed to the drawing, clears typical fabric panels
Installer responsibility
Keeping the clearances right for the fabric selected
File formats
PDF (one sheet, about 200 KB), DWG and DXF

Questions about document 085811

The answers come from Lutron document 085811 and New Way's record of it.

What is Lutron drawing 085811?

Lutron's one-sheet curved drapery track plan, revision A, undated, a PDF of about 200 KB plus DWG and DXF files.

Which revision of 085811 is current?

Rev A is the revision Lutron publishes. New Way checked it against assets.lutron.com on 16 October 2026.

Which drapery tracks does 085811 cover?

Lutron Sivoia QS drapery tracks.

What is the minimum bend radius of the curved track?

R20.00 in (508 mm), labeled minimum bend radius on Lutron drawing 085811. The sheet header names the track a standard 90 degree curve with a 20 in (508 mm) radius.

How much room do the idler and EDU railbox take?

Lutron drawing 085811 sizes the idler and the EDU railbox on the plan, plus one unlabeled figure.

  • Idler: 1.64 in (42 mm) wide and 3.20 in (81 mm) long
  • EDU railbox length: 3.65 in (93 mm)
  • 3.73 in (95 mm), printed with no label

Who is responsible for fabric clearances on a curved Lutron track?

The installer, per Lutron drawing 085811, which makes the installer responsible for clearances that suit the fabric panels actually selected. Lutron states a track installed as the factory supplies it, to the drawing, clears typical fabric panels.

How wide is the curved track in plan?

1.25 in (32 mm) track width on the curved plan of Lutron drawing 085811.

Does the drawing fix the length of each leg of the curve?

Lutron drawing 085811 labels an idler leg width and a drive leg width but prints no value for either. The fixed figures on the sheet are the bend radius, the track width and the idler and EDU railbox sizes.

Ask about 085811

Other Sivoia QS CAD drawings

CAD drawings for the same Sivoia QS system:

All 33 Sivoia QS CAD drawings

Documents used with 085811

Lutron drawings 085807, 085808 and 085809 are the ceiling, wall and recessed mount drawings of the same track. Lutron drawing 085812 is the corner mount, and document 3684025 the curved drapery track worksheet and custom curve template guide.

Revisions of 085811

This page always shows the revision Lutron publishes today. Lutron replaces the file in place and does not keep earlier revisions online.

RevisionDateStatus
ANot statedCurrent. The file on assets.lutron.com. Checked 16 Oct 2026.

Not covered in 085811, and what to read next

Lutron drawing 085811 gives no bracket positions, fixings, section through the track, wiring or capacity figures.

  • Installation: 045982, the Sivoia QS drapery installation guide
  • Custom curve: 3684025, the curved drapery track worksheet

Publisher and citation for document 085811

Lutron Electronics Co., Inc. publishes document 085811, Rev A, and serves it from assets.lutron.com. New Way hosts no copy and last checked the file there on 16 October 2026.

Lutron and Sivoia QS are trademarks of Lutron Electronics Co., Inc.

Reviewed by Edmond Hong, Technical Specialist, New Way.

Specifying Sivoia QS?

New Way supplies and installs Lutron Sivoia QS shading in Malaysia and Singapore. A New Way specifier can check your shade schedule and drawings before you submit.

The form opens with document 085811 filled in.