Unequal double-bowl sink with plain rear ledge
Free CAD block from the Kitchen sinks library (155 blocks), drawn 1:1.
About this block
Unequal double-bowl sink with plain rear ledge, drawn in plan, front and side elevation, all three projected from its 3D model so they match to the millimeter. It measures 2' 7" wide, 18" deep and 12½" high (78 cm × 46 cm × 31 cm), and it is drawn 1:1, full size, so it drops into any drawing set up in meters or in inches without rescaling.
It also comes as a 3D model built from these drawings.
From the Kitchen sinks library: 155 blocks drawn to one standard, each one available on its own.
In practice
Where it goes
With a plain rear ledge and no faucet hole drawn, this unequal double bowl is the one to use when the faucet is specified separately or mounted on the wall. Draw it in a kitchen plan with a wall-mounted faucet, on a countertop plan where the faucet position is still open, and on a schematic layout at ⅛ in = 1 ft (1:100).
Clearances to leave
An 31 in (80 cm) base takes the 31 in (78 cm) sink, and because the ledge is plain the faucet can go anywhere along the back edge; a wall faucet wants the bowl, 18 in (46 cm) deep, set tight to the backsplash. Keep 24 in (61 cm) of counter on one side, 18 in (46 cm) on the other, and a 42 in (107 cm) aisle in front.
Pairs with
Add Single-lever kitchen faucet with round base or Tapered faucet spout with lever on round base where the faucet finally lands; Unequal double-bowl sink with rear center faucet has the faucet fixed. A composite top in graphite suits the plain ledge.
Common questions
What are the dimensions of this block?
It measures 2' 7" | 78 cm wide by 18" | 46 cm deep. The drawing is 1:1, full size, so it inserts at the right size in metric and in imperial drawings.
Is there a 3D model of this block?
Yes. A 3D model built from this block's drawings, 2' 7" wide, 18" deep and 12½" high, is free to download in STEP, DXF 3D, OBJ, GLB, 3MF and STL.
File formats, AutoCAD versions and units are explained on the formats page; every file is free for personal and commercial work under the license.
Details
Collections
Drawing at scale3 views
Seen from above beside a standing person, both at the same scale.
3D model
Built at real size from the plan drawing, as pressed stainless sheet: the plate and every bowl with sloped walls, the strainer where the plan has its drain, the overflow on the back wall and the waste below; drainers, upstands and faucets where the drawing has them. Drag to orbit, underneath too; scroll or pinch to zoom.
Dimensions and sizes
Width 2' 7" | 78 cm, depth 18" | 46 cm, footprint 3.9 ft², height 12½" | 31 cm.
Explore at scale
How big is it?
Footprint 3.9 ft², about 0.2× the floor area of a twin bed.
On your sheet
At 1" = 1'-0" the drawing prints 2.56 in × 1.51 in on Letter.
In the room
Plan at real sizeAll 3 checks pass
Galley kitchen layout
Built around the unequal double-bowl sink with plain rear ledge, the block you are viewing.
Checks
- Aisle in front of the sink4' 6"Minimum 3' 3", recommended 3' 6"
- Work aisle between countertops4' 1"Minimum 3' 6", recommended 4' 0"
- Door swing to the nearest fixture (door moved to fit)4"Minimum 2", recommended 4"
Design notes
- Work aisle 3' 6" for one cook, 4' 0" for two (42 and 48 in).
- Keep sink, cooktop and fridge within a few steps: each leg of the work triangle 3' 11" to 8' 10".
- Leave 15½" of landing countertop beside the cooktop and 23½" beside the sink.
The kit, 3 blocks