Concrete planter casting mould — 3D-printable model preview

AR view

Garden & plants Simple

Concrete planter casting mould

Cast a concrete planter in the gap between two walls

A mould for casting your own concrete or Jesmonite planter. The outer box and the inner wall form a 15 mm gap all the way round: pour the mix in, let it cure, and you get a modern square planter. Use the mould again for a matching set.

Customize this model

Size: 140 × 140 × 120 mm
Shape: Rectangular
Walls: 2.4 mm
Volume: 145 cm³
Est. weight (PLA): 180 g
Parts to print: 1
Category: Garden & plants
Made by: Krypto
Built in: 14 steps

What’s in it

Rectangular, 140 × 140 × 120 mm, with 2.4 mm walls

How to print it

Brush both walls with release oil, pour fine concrete into the gap, cure 48 hours, then flex the mould off.

Prints as shown on its floor, no supports.

Filament: at most about 180 g of PLA printed solid (roughly $3.59 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 concrete planter casting mould model?

The concrete planter casting mould model measures 140 × 140 × 120 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Brush both walls with release oil, pour fine concrete into the gap, cure 48 hours, then flex the mould off. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 180 g of PLA (145 cm³ printed solid), roughly $3.59 of filament at $20 per kg. Normal infill uses less.

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 garden & plants

Plant stem support clip

Fix plant stems to canes

Simple

Garden cane connector

Build garden frames from canes

Medium (set)

Plant pot feet

Raise plant pots for drainage

Medium (set)

Seed tray dibber board

Make evenly spaced holes for sowing

Advanced

Solar garden light stake

Repair solar garden lights

Medium

Flytrap bog planter

Grow carnivorous plants standing in rainwater

Advanced

Seed germination test tray

Test how many saved seeds still sprout before sowing

Multi-part assembly

Butterfly nectar station

Feed butterflies sugar water and ripe fruit

Simple

See all 93 in Garden & plants

Make it fit your space

Change the size, walls, dividers, holes and labels of the concrete planter casting mould model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model