Toilet cistern displacement box — 3D-printable model preview

AR view

Sustainable living Multi-part assembly

Toilet cistern displacement box

Save water on every toilet flush

Stand it in the cistern clear of the float and the flush valve, fill it with water or gravel and close the snug lid: every flush now uses about a litre less, the job a brick used to do, but without crumbling grit into the valve.

Customize this model

Size: 140 × 50 × 160 mm
Shape: Rectangular
Walls: 2.0 mm
Volume: 42.0 cm³
Est. weight (PLA): 52.1 g
Parts to print: 2
Category: Sustainable living
Made by: Krypto
Built in: 16 steps

What’s in it

Rectangular, 140 × 50 × 160 mm, with 2.0 mm walls
Raised text: “FILL WITH WATER”
Telescoping lid (prints separately)

How to print it

PETG with solid walls so it stays watertight.

Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Filament: at most about 52.1 g of PLA printed solid (roughly $1.04 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).

Questions

What size is the toilet cistern displacement box model?

The toilet cistern displacement box model measures 140 × 50 × 160 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. PETG with solid walls so it stays watertight. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

How much filament does it use?

At most about 52.1 g of PLA (42.0 cm³ printed solid), roughly $1.04 of filament at $20 per kg. Normal infill uses less.

How many parts does it print as?

2 parts. The download lays each part flat in its best print position: Download STL gives one file per part, Download 3MF puts them all on one plate.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

More sustainable living

Bokashi bucket press plate

Press air out of a bokashi compost bucket

Simple

Bottle-to-bottle drain coupler

Drain the last drops into a new bottle

Medium

Tealight cup refill tray

Refill used tealight cups with leftover wax

Advanced

Charger cable strain-relief splint

Stop charger cables fraying at the plug

Simple (set)

Soap sliver press mould

Press leftover soap slivers into a new bar

Medium

Radiator top heat deflector

Direct radiator heat into the room

Simple (set)

Button shank spacer fork

Sew buttons on with a strong thread shank

Simple (set)

Darning mushroom with gathering neck

Support fabric while darning holes

Advanced

See all 29 in Sustainable living

Make it fit your space

Change the size, walls, dividers, holes and labels of the toilet cistern displacement box model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model