# Round Pleated Blind
Source: https://www.fenetresystems.com/en/round-pleated-blind/

# Round Pleated Blind

A special form following the line of circular and arched frames. A radial answer from porthole to arch top.

## Circular Forms

Three application styles from full circle to arch segment.

Round pleated blind form types and operating styles
Form — Typical Application — Operation
Full Circle — Porthole and round windows — Fixed fill or radially folding fabric
Half Circle — Arched window tops — Works together with the rectangular blind below
Segment Arc — Partial circle forms — Template cutting required

## Production from Template

Four stages from measurement to mounting. The circular form’s work is precision.

01. **Diameter Taken** — The circle’s diameter or arc measurement is taken on site. A cardboard template is drawn for non-symmetrical forms.
02. **Rail Bent** — The aluminium rail profile is bent to the circle’s diameter. The edge line follows the joinery.
03. **Radial Cutting** — The fabric is cut to the circle form. The pleats are arranged from the rim toward the centre.
04. **Seating Check** — The rim seating is verified at mounting. No gap should remain at the circle’s edge.

## Critical Points in Bending

- The bent-rail tolerance is kept tight — the edge gap becomes visible
- On porthole-type frames the frame depth decides the headrail choice
- On old joinery the circle may not be fully symmetrical. Template required

## Arch + Rectangle Combination

- On arched windows the upper arc and lower rectangle are planned in one project
- Both parts are produced from the same fabric chart — tone match is preserved
- Even if the upper arc is fixed, the lower part stays fully functional

## Questions About the Round Pleated Blind

How is a blind made for a round window?

The fabric is cut to the circle’s diameter. The rail is bent to the diameter. The result is a single-piece cover following the joinery line. No rectangular mould is used.

How does a semicircle top work?

On arched windows the circular upper section is covered fixed or moving. The rectangular part below keeps working independently.

Can it be produced without a cardboard template?

On simple full circles the diameter measurement is enough. On asymmetrical arcs and old joinery a cardboard template is a must.

How does the fabric gather inside the circle?

The pleats fold radially from the circle’s rim toward the centre. When open the fabric stands as a small bunch in the middle.

The windows where circle and circle-part forms mount are gathered in the [special window group](https://www.fenetresystems.com/en/pleated-blinds-for-geometric-sloped-windows/); a similar form answer is given on the [oval system](https://www.fenetresystems.com/en/oval-pleated-blind/).

## Quote for Diameter Measurement

Once the circle form and diameter are relayed, the bending and cutting plan is drawn up together.

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