NASJI
Sections and plan of a dome continuous with its pendentives, French construction drawing
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Domes CAD blocks

Dome Continuous with Its Pendentives — Plan and Sections

Construction study of a dome merging into its pendentives: two sections and a plan on a bordered sheet.

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DWG is the original file. DXF is written from it on request. Open in CAD loads it into the free browser CAD — nothing to install, no account.

Specifications

Format
DWG R2018 · DXF R2000 on request
Units
inches
Size
2100 × 3351 in (width × height)
Entities
184111 lines, 47 points, 11 polylines, 8 arcs, 3 text labels, 2 hatches, 1 circle and 1 paragraph text
Layers
1 (layer 0)
Block definitions
none — plain geometry
File size
38 KB
Updated

About this block

This drawing, titled Dôme en continuité avec le pendentif in the source, shows how a spherical dome can continue without a break into the four pendentives that carry it over a square bay. Two arched bay elevations with masonry coursing sit at the top; below them a square plan shows the inscribed circle of the pendentives, annotated CERCLE DES PENDENTIFS. The sheet is framed by a border and contains 184 entities including 47 construction points and two hatches, all on layer 0, about 2,220 by 3,090 units in millimetres.

Architecture students and heritage architects use this as a geometry reference when setting out vaulted bays, and the plan can be traced directly to lay out a dome over a square room. Because the construction points are still in the file, you can snap to the centres that generated the arcs. Scale by 0.001 for a drawing in metres, and keep the French labels or replace them with your own notes.

Ratings and reviews

Elevation CAD drawing of a ribbed dome with copper cap on a moulded base

Dome Elev

Ribbed dome elevation with copper cap and moulded base, drawn in millimetres at about 4 m wide.

44 KB · 104 entities

Dome on pendentives shown in section, elevation and plan with French labels

Dome SUR Pendentif

Dome on pendentives: a section with the sphere drawn in, a bay elevation and a plan with two named circles.

42 KB · 409 entities

Questions

What does the French title mean?

Dome in continuity with the pendentive: the dome surface and the pendentives are one continuous sphere, as opposed to a dome set on a separate ring.

Which views are included?

Two arched bay sections and one square plan showing the pendentive circle. There is no rendered 3D geometry.