Additive Inn
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3D printed cement planter mould for Vault 7

A ribbed, rock-textured corner mould and matching texture strips, 3D printed for Vault 7 to cast a curved cement planter box.

Client
Vault 7
Made for
A cement planter box on the balcony of a landed house
Cast by
Vault 7's own team, against our mould
Built from
Pegged parts, glued into one corner piece
Quote a moulding job (opens WhatsApp) Send a brief
Sets of texture strips, eight strips to a set, over two orders
34
Outer radius of the corner, agreed at our meeting
700 mm
Height and width of the corner mould, from our deck
715 mm
From the brief on 21/01/2026 to collection on 20/02/2026
4 weeks

What we brought

  1. What we can do

    The texture was tried before the full order

    We printed a swatch and a sample strip first, so Vault 7 could try the texture before the full order.

  2. How we look after you

    A large mould printed in pegged parts

    We split the 715 mm corner into parts that fit together on pegs, then glued them into one quadrant.

  3. What you get

    Printed in batches to keep the job moving

    We printed 24 sets of strips in batches to collect as they came, and 10 extra sets overnight.

The build

How we built it

5 steps, from the brief to the finished piece. Pick a step to jump to it.

The brief

Step 1 of 5 · 21/01/2026

Ribs
50 mm wide, 50 mm apart and 50 mm deep
Straight runs
Rock-textured strips 50 mm wide, set between Vault 7's own timber ribs
Corner
An outer radius of 700 mm
Material
PLA

At Additive Inn, our 3D printing studio in Singapore, we 3D printed a cement mould for Vault 7. Vault 7 needed a ribbed, rock-textured face cast into a curved cement planter box on a landed house balcony, with a printed mould for the rounded corner.

DrawingThe agreed rib profile is circled in green.

Design and prototyping

Step 2 of 5 · 22/01/2026

We modelled the rock texture as 50 mm strips for the straight runs, and the corner as one ribbed quadrant split into pegged parts. Vault 7 tried a printed swatch and a sample strip, and approved each design round.

  1. Texture swatch · 22/01/2026

    The grooved first swatch became a flat texture plate, 150 by 50 by 10 mm.

    Render

  2. Texture strips · 29/01/2026

    We modelled the texture as curved strips and printed a first strip for Vault 7 to try.

    RenderPhoto +1 more

  3. Corner design · 02/02/2026

    We reworked the base of the corner after Vault 7's comments, and they approved it.

    Render +1 more

  4. Revision 0 · 04/02/2026

    Our deck split the corner into pegged parts: a 715 mm mould for a casting of about 690 mm.

    DrawingRender +1 more

  5. Revision 1 · 05/02/2026

    Vault 7 asked for texture on the bottom quadrant too, so we added a seamless rock texture there.

    Render

Production

Step 3 of 5 · 03/02/2026

We printed 24 sets of texture strips, eight strips to a set, six sets at a time so Vault 7 could collect them as they came. Then we printed the corner parts, in several colours of the same material to finish sooner.

Fitting and gluing

Step 4 of 5 · 11/02/2026

We fitted the corner parts together on their pegs, then glued and clamped the mould layer by layer. The last layer had cured by 16/02/2026.

The mould is clamped while the glue cures.

The final build

Step 5 of 5 · 20/02/2026

Vault 7 collected the corner mould on 20/02/2026 and ordered 10 more sets of texture strips that day. We had them ready for collection overnight.

The rock-textured base, where the ribs meet.

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